The document is a list of impurities and related compounds for various pharmaceutical products, including metoprolol, metronidazole, milnacipran, minoxidil, mirabegron, and many others. It provides the chemical names and CAS registry numbers for each impurity compound. The list is from Opulent Pharma, an Indian company that offers impurity reference standards and custom synthesis support.

1.
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IMPURITY STOCK LIST CAS NUMBER
Product: METOPROLOL IMPURITIES
Metoprolol EP Impurity A/ Metoprolol Related Compound A 109632‐08‐8
Metoprolol EP Impurity B 56718‐71‐9
Metoprolol EP Impurity C/ Metoprolol Related Compound C 29122‐74‐5
Metoprolol EP Impurity D 62572‐90‐1
Metoprolol EP Impurity E 163685‐38‐9
Metoprolol EP Impurity F 7695‐63‐8
Metoprolol EP Impurity G 501‐94‐0
Metoprolol EP Impurity H (O‐Desmethyl Metoprolol) 62572‐94‐5
Metoprolol EP Impurity J 163685‐37‐8
Metoprolol EP Impurity M
343785‐33‐1
73313‐36‐7
Metoprolol EP Impurity N 6452‐57‐9
Metoprolol EP Impurity O/ Metoprolol Related Compound D 154784‐36‐8
Metoprolol Related Compound B 56718‐76‐4
Metoprolol Bis Propanol 230975‐30‐1
Metoprolol Methoxy Epoxide Impurity 56718‐70‐8
Metoprolol Hydroxy Epoxide Impurity/ Metoprolol Epoxy Hydroxyethyl Impurity 104857‐48‐9
4‐(2,3‐Epoxypropoxy)benzaldehyde 14697‐49‐5
Metoprolol Epoxy Impurity 122‐60‐1
4‐(3‐chloro‐2‐hydroxypropoxy)Benzaldehyde 61037‐97‐6
p‐(2‐Methoxyethyl)anisole 80314‐58‐5
1‐[2‐(2‐Methoxyethyl)phenyoxy]‐2,3‐epoxypropane 89507‐60‐8

2.
1‐Methoxy‐2‐(4‐nitrophenyl)ethane 69628‐98‐4
4‐(2‐Methoxyethyl)aniline 84803‐56‐5
Metoprolol Acid Ethyl Ester 29112‐40‐1
Metoprolol Acid Methyl Ester
29121‐23‐1
83281‐59‐8
Metoprolol Epoxy Ester Impurity 76805‐25‐9
Metoprolol Hydroxy Ester Impurity 17138‐28‐2
Metoprolol R‐Isomer 81024‐43‐3
Metoprolol S‐Isomer 81024‐42‐2
Product: METRONIDAZOLE IMPURITIES
Metronidazole EP impurity A (Tinidazole EP Impurity A/ Tinidazole Related Compound A/ Ornidazole Impurity 1) 696‐23‐1
Metronidazole EP Impurity C 5006‐69‐9
Metronidazole EP Impurity F (O‐Hydroxyethyl Metronidazole) 16156‐94‐8
Metronidazole EP Impurity G (Metronidazole Acetic Acid) 1010‐93‐1
Metronidazole Benzoate EP Impurity A 443‐48‐1
Metronidazole Benzoate EP Impurity C (Mefenamic Acid EP Impurity D/ Tiaprofenic Acid EP Impurity D/ Glycopyrrolate
EP Impurity D) 65‐85‐0
Product: MEXILETINE IMPURITIES
Mexiletine EP Impurity A 576‐26‐1
Product: MICONAZOLE IMPURITIES
Miconazole EP Impurity A (Econazole EP Impurity A/ Econazole Related Compound A/ Fenticonazole EP Impurity A/
Deschlorobenzyl Econazole/ Tioconazole EP Impurity D/ Isoconazole EP Impurity B/ Isoconazole Nitrate EP Impurity A) 24155‐42‐8
Miconazole Nitrate EP Impurity F
47447‐55‐2
27220‐35‐5
Miconazole EP Impurity G 909277‐71‐0
1‐(2,4‐dichlorobenzoylmethyl)imidazol 46503‐52‐0
Product: MILNACIPRAN IMPURITIES
N,N‐Diethyl‐2‐(hydroxymethyl)‐1‐phenyl‐cyclopropanecarboxamide 172016‐06‐7
N‐Methylphthalimide 550‐44‐7
Milnacipran Dimer Impurity
Product: MINOXIDIL IMPURITIES

3.
Minoxidil EP Impurity B 156‐83‐2
Minoxidil EP Impurity E/ Minoxidil Related Compound E (Deoxy Minoxidil/ Desoxyminoxidil) 24867‐26‐3
Product: MIRABEGRON IMPURITIES
Mirabegron Impurity 30 83303‐98‐4
Mirabegron Impurity 35 223673‐34‐5
Mirabegron Impurity 6/ Mirabegron Intermediate Impurity ((R)‐2‐((4‐Aminophenethyl)amino)‐1‐phenylethanol) 391901‐45‐4
(R)‐2‐((4‐aminophenethyl) amino)‐1‐phenylethanol hydrochloride 521284‐19‐5
2‐Formamidothiazol‐4‐acetic acid 75890‐68‐5
D‐Mandelic Acid (Sertraline EP Impurity E/ (R)‐(‐)‐Mandelic Acid) 611‐71‐2
L‐Mandelic Acid (Atomoxetine EP Impurity E/ (S)‐(+)‐Mandelic Acid) 17199‐29‐0
Mirabegron 2‐Nitrobenzeneethanamine Impurity 861337‐74‐8
Mirabegron 3‐Nitrobenzeneethanamine Impurity 19008‐62‐9
Mirabegron ATAA Impurity 29676‐71‐9
Mirabegron (S)‐Isomer 1796931‐48‐0
4‐(2‐(phenethylamino)ethyl)aniline 1581285‐26‐8
Product: MIRTAZAPINE IMPURITIES
Mirtazapine EP Impurity A/ Mirtazapine Related Compound B (Mirtazapine N‐Oxide) 155172‐12‐6
Mirtazapine EP Impurity B 61337‐89‐1
Mirtazapine EP Impurity E 191546‐94‐8
Mirtazapine Carboxylic Acid 61338‐13‐4
Mirtazapine Cyano Impurity 61337‐88‐0
Product: MISOPROSTOL IMPURITIES
Misoprostol EP Impurity A
Misoprostol EP Impurity B
Misoprostol EP Impurity C 58682‐86‐3
Misoprostol EP Impurity D (rac‐11‐Deoxy‐8(12)‐dehydro Misoprostol) 1331639‐92‐9
Misoprostol EP Impurity E 58717‐36‐5
Misoprostol EP Impurity F 40098‐26‐8
Misoprostol Acid 112137‐89‐0
8‐epi Misoprostol

4.
A‐type Misoprostol
B‐type Misoprostol
Bimatoprost 155206‐00‐1
Misoprostol 59122‐46‐2
Product: MODAFINIL IMPURITIES
Modafinil EP Impurity B (Modafinil sulfone) 118779‐53‐6
Product: MOMETASONE FUROATE IMPURITIES
Mometasone Furoate EP Impurity L (Dexamethasone EP Impurity D) 24916‐90‐3
Mometasone EP Impurity G 105102‐22‐5
Product: MONTELUKAST IMPURITIES
Montelukast EP Impurity A (Montelukast (S)‐Isomer)
220927‐27‐5
190078‐45‐6
Montelukast EP Impurity B/ Montelukast Related Compound F (Montelukast Methylstyrene) 918972‐54‐0
Montelukast EP Impurity C/ Montelukast Related Compound A (Montelukast Sulfoxide) 909849‐96‐3
Montelukast EP Impurity D/ Montelukast Related Compound C (Montelukast Michael Adduct (R,R)‐Isomer/ Montelukast
Bis‐Sulfide (Mixture of Diastereomers)) 1187586‐61‐3
Montelukast EP Impurity E/ Montelukast Related Compound D (Michael Adduct (R,S)‐Isomer) 1187586‐58‐8
Montelukast EP Impurity D & E (Michael Adduct (R,R)‐Isomer & (R,S)‐Isomer)
1187586‐61‐3
1242260‐05‐4
1187586‐58‐8
Montelukast EP Impurity F/ Montelukast Related Compound E (Montelukast Methylketone) 937275‐23‐5
Montelukast EP Impurity G/ Montelukast Related Compund B (Montelukast cis‐Isomer) 774538‐96‐4
Montelukast EP Impurity H (Montelukast Methoxycarbonyl Analog) 851755‐56‐1
Montelukast Intermediate Impurity‐1 120578‐03‐2
Montelukast Intermediate Impurity‐2 149968‐10‐5
Montelukast (3R)‐Hydroxy Propanol 150026‐75‐8
Montelukast (3S)‐Hydroxy Benzoate 142569‐69‐5
Montelukast 3‐Oxo Benzoate 149968‐11‐6

5.
Montelukast Dihydro Impurity
142147‐67‐9
142147‐98‐6
Montelukast Nitrile Impurity (Montelukast Cyclopropaneacetonitrile) 866923‐62‐8
Montelukast Amide (Montelukast cyclopropane acetamide) 866923‐63‐9
Montelukast Sulfone 1266620‐74‐9
Montelukast Cyclized Ether impurity
168214‐67‐3
1040351‐42‐5
1187586‐88‐4
Montelukast (3S)‐Hydroxy Propanol 287930‐77‐2
Montelukast Ketone Impurity (Montelukast 3‐Oxo Propanol Impurity) 1258428‐71‐5
Montelukast Methyl Ester 855473‐51‐7
Montelukast Racemic Diol 142569‐70‐8
Montelukast Acid 158966‐92‐8
Montelukast Dicyclohexylamine/ Montelukast DCHA 577953‐88‐9
Montelukast (3S)‐Hydroxy Methylketone 184764‐13‐4
Product: MOSAPRIDE IMPURITIES
Mosapride N‐Oxide 1161443‐73‐7
2‐Aminomethyl‐4‐(4‐fluorobenzyl)morpholine 112914‐13‐3
Des‐4‐fluorobenzyl Mosapride 152013‐26‐8
Product: MOXIFLOXACIN IMPURITIES
Moxifloxacin EP Impurity A/ Moxifloxacin Related Compound A (Moxifloxacin Difluoro Analog) 151213‐15‐9
Moxifloxacin EP Impurity B (Moxifloxacin Dimethoxy Analog) 1029364‐73‐5
Moxifloxacin EP Impurity C (Moxifloxacin Ethyl Analog) 1029364‐75‐7
Moxifloxacin EP Impurity D (Moxifloxacin Isomer) 1029364‐77‐9
Moxifloxacin EP Impurity E (Moxifloxacin O‐Desmethyl Analog)
721970‐36‐1
1292904‐74‐5
Moxifloxacin EP Impurity F (Moxifloxacin Methyl Ester) 721970‐35‐0
Moxifloxacin N‐Methyl Analog
721970‐37‐2
1350716‐67‐4

6.
Moxifloxacin (R,R)‐Isomer
268545‐13‐7
1346603‐25‐5
Moxifloxacin Difluoro Hydroxy Acid Impurity (Gatifloxacin Related Compound B) 154093‐72‐8
1‐Methylpiperazine (Imatinib EP Impurity G/ Cyclizine impurity A/ Cyclizine Related Compound A)
109‐01‐3
34352‐59‐5
Moxifloxacin Difluoro Methyl Ester Impurity 141290‐02‐0
6‐Benzyl‐5,7‐dihydro‐5,7‐dioxopyrrolo[3,4‐b]pyridine 18184‐75‐3
Moxifloxacin Trifluoro Acid Impurity 94695‐52‐0
Moxifloxacin Difluoro Methoxy Ethyl Ester 112811‐71‐9
Moxifloxacin 7‐Amino Impurity 172426‐88‐9
Moxifloxacin Decarboxy Analog 1322062‐57‐6
Product: MYCOPHENOLATE MOFETIL IMPURITIES
Mycophenolate Mofetil EP Impurity B 1094322‐91‐4
Mycophenolate Mofetil EP Impurity D (O‐Methyl Mycophenolate Mofetil) 1322681‐37‐7
Mycophenolate Mofetil EP Impurity E (Mycophenolic Acid Methyl Ester) 31858‐66‐9
Mycophenolate Mofetil EP Impurity F (Mycophenolic Acid) 24280‐93‐1
Mycophenolate Mofetil EP Impurity G (Mycophenolate Mofetil N‐Oxide) 224052‐51‐1
Mycophenolate Mofetil EP Impurity H/ Mycophenolate Mofetil Related Compound B (Mycophenolic Lactone)
26675‐76‐3
79081‐87‐1
Product: NABUMETONE IMPURITIES
Nabumetone EP Impurity F 29619‐45‐2
Product: NADOLOL IMPURITIES
Nadolol EP Impurity A/ Nadolol alcohol
Nadolol EP Impurity B/ Nadolol Methoxy analog
Nadolol EP Impurity C/ Diaryl glycerol analog
Nadolol EP Impurity D/ Nadolol dimer 67247‐26‐1
Nadolol EP Impurity E 67247‐33‐0
Nadolol EP Impurity F/ Naphthyl analog 2116‐22‐5
Nadolol EP Impurity G/ Dideoxy Nadolol 33841‐03‐1
Product: NALBUPHINE IMPURITIES

7.
2,2‐Bis Nalbuphine 214542‐42‐4
6‐Keto Nalbuphine 16676‐33‐8
Product: NALIDIXIC ACID IMPURITIES
Nalidixic Acid EP Impurity C 87‐13‐8
Product: NALTREXONE IMPURITIES
2‐Hydroxy‐3‐O‐methylnaltrexone 67829‐18‐9
10‐Oxo Naltrexone 96445‐13‐5
Product: NAPHAZOLINE IMPURITIES
Naphazoline EP Impurity A 36321‐43‐4
Product: NAPROXEN IMPURITIES
Naproxen EP Impurity A ((S)‐6‐Demethylnaproxen) 52079‐10‐4
Naproxen EP Impurity B 89617‐86‐7
Naproxen EP Impurity C ((S)‐5‐Bromo Naproxen/ (+)‐Bromonaproxen) 84236‐26‐0
Naproxen EP Impurity D 116883‐62‐6
Naproxen EP Impurity E 26159‐35‐3
Naproxen EP Impurity F 31220‐35‐6
Naproxen EP Impurity G/ Naproxen Related Compound G (Naproxen R‐Isomer) 23979‐41‐1
Naproxen EP Impurity H 5111‐66‐0
Naproxen EP Impurity I (Desmethyl Naproxen) 23981‐47‐7
Naproxen EP Impurity J 21388‐17‐0
Naproxen EP Impurity K 77301‐42‐9
Naproxen EP Impurity L/ Naproxen Related Compound L 3900‐45‐6
Naproxen EP Impurity M (Nerolin) 93‐04‐9
Naproxen EP Impurity N 5111‐65‐9
Naproxen Impurity O (Naproxen Isopropyl ester) 156967‐24‐7
Naproxen Related Compound A (Naproxen Carboxylic Impurity) 2471‐70‐7
Naproxen Impurity D 116883‐61‐5
rac‐5‐Chloro Naproxen 60424‐17‐1
rac‐5‐Bromo Naproxen 27655‐95‐4
Naproxen dehydro Impurity 27602‐79‐5

8.
Naproxen 2‐Propyl Ester 68641‐85‐0
n‐Butyrophenone 495‐40‐9
Product: NATEGLINIDE IMPURITIES
Nateglinide EP Impurity D (Aspartame EP Impurity C)
150‐30‐1
63‐91‐2
Nateglinide EP Impurity E (4‐Desisopropyl‐4‐Ethyl Nateglinide) 105746‐45‐0
Nateglinide EP Impurity F (D‐Phenylalanyl Nateglinide) 944746‐48‐9
Nateglinide EP Impurity G 187728‐85‐4
Nateglinide Impurity D 36877‐42‐6
Product: NEBIVOLOL IMPURITIES
Nebivolol Impurity A 118457‐16‐2
Nebivolol Impurity B 119365‐25‐2
Nebivolol Impurity C (2S*,2'R*) 793669‐26‐8
Nebivolol Impurity C (2S*,2'S*) 876514‐31‐7
Nebivolol Related Compound E (Monodesfluoro Nebivolol) 129101‐34‐4
(SR,RR) Nebivolol 213132‐06‐0
Product: NEOSTIGMINE IMPURITIES
Nor Neostigmine 16088‐19‐0
Neostigmine‐o‐isomer
Neostigmine‐p‐isomer
Product: NEPAFENAC IMPURITIES
Nepafenac Impurity A 2835‐77‐0
Nepafenac Impurity B 78281‐61‐5
Nepafenac Impurity D 51135‐38‐7
Nepafenac Impurity E 1246956‐18‐2
2‐(Methylthio)acetamide 22551‐24‐2
2‐Amino‐3‐benzoyl‐5‐chlorobenzeneacetamide 78281‐71‐7
2‐Amino‐5‐chlorobenzophenone 719‐59‐5
Product: NEVIRAPINE IMPURITIES
Nevirapine EP Impurity A/ Nevirapine Related Compound A 133627‐17‐5

9.
Nevirapine EP Impurity B/ Nevirapine Related Compound B 287980‐84‐1
Product: NICARDIPINE IMPURITIES
Nicardipine Related Compound A (Nicardipine Carboxylic Acid Impurity) 74936‐72‐4
Nicardipine Related Compound B (Nicardipine Pyridine Analog/ Dehydro Nicardipine)
59875‐58‐0
1216817‐27‐4
Nicardipine Related Compound C (Nicardipine Dimethyl Ester Analog/ m‐Nifedipine/ Nitrendipine EP Impurity B) 21881‐77‐6
Nicardipine Pyridine Monoacid Impurity 64603‐72‐1
2,6‐dimethyl‐4‐(3‐nitrophenyl)‐1,4‐dihydropyridine
Nicardipine Dimethyl Ester Analog 206976‐29‐6
3,5‐Pyridinedicarboxylic Acid 499‐81‐0
Nicardipine Bis Analog 71791‐90‐7
Product: NICORANDIL IMPURITIES
Nicorandil EP Impurity B 6265‐73‐2
Nicorandil EP Impurity D 40055‐37‐6
Product: NICOTINAMIDE IMPURITIES
Nicotinamide EP Impurity D (Isonicotinamide) 1453‐82‐3
Nicotinamide 3,5‐Dinitropyridine Impurity 940‐06‐7
Product: NICOTINE IMPURITIES
Nicotine EP Impurity B/ Nicotine Related Compound B (Nicotyrine) 487‐19‐4
Nicotine EP Impurity C/ Nicotine Related Compound C (Cotinine) 486‐56‐6
Nicotine EP Impurity D/ Nicotine Related Compound D (Myosmine) 532‐12‐7
Nicotine‐N‐Oxide/ 3‐(1‐methyl‐1‐oxidopyrrolidin‐1‐ium‐2‐yl)pyridine 63551‐14‐4
3‐[(1S,2S)‐1‐Methyl‐1‐oxido‐2‐pyrrolidinyl] 51095‐86‐4
Product: NICOTINIC ACID IMPURITIES
Nicotinic Acid EP Impurity E (Isonicotinic Acid) 55‐22‐1
Product: NIFEDIPINE IMPURITIES
Nifedipine EP Impurity A (Nifedipine nitrophenylpyridine analogue) 67035‐22‐7
Nifedipine EP Impurity B (Nifedipine nitrosophenylpyridine analog) 50428‐14‐3
Nifedipine EP Impurity C 39562‐27‐1
Nifedipine EP Impurity D 14205‐39‐1

10.
Nifedipine Monoamide/ Nifedipine Amide Impurity 114709‐68‐1
Product: NIFURATEL IMPURITIES
Nifuratel Impurity B 736‐53‐8
Product: NIFUROXAZIDE IMPURITIES
Nifuroxazide EP Impurity B (Methylparaben) 99‐76‐3
Nifuroxazide EP Impurity C 92‐55‐7
5‐nitro‐2‐furaldehyde 698‐63‐5
Product: NIFURSOL IMPURITIES
5‐nitro‐2‐furaldehyde 698‐63‐5
Product: NIMESULIDE IMPURITIES
Nimesulide EP Impurity A 51765‐56‐1
Nimesulide EP Impurity B 51765‐51‐6
Nimesulide EP Impurity C 2688‐84‐8
Nimesulide EP Impurity D 5422‐92‐4
Nimesulide EP Impurity E 905858‐63‐1
Nimesulide EP Impurity F 51765‐72‐1
Nimesulide EP Impurity G 70995‐08‐3
2‐Nitrodiphenyl Sulfide 4171‐83‐9
Product: NIMODIPINE IMPURITIES
Nimodipine EP Impurity B 21881‐78‐7
Nimodipine EP Impurity C/ Nimodipine Related Compound B (Cilnidipine Impurity 1) 70172‐96‐2
Product: NITRENDIPINE IMPURITIES
Nitrendipine EP Impurity B (Nicardipine Related Compound C/ Nicardipine Dimethyl Ester Analog/ m‐Nifedipine/
Lercanidipine Dimethyl Ester Impurity) 21881‐77‐6
Nitrendipine Dipropyl Ester 77888‐05‐2
Product: NIZATIDINE IMPURITIES
Nizatidine EP Impurity J 82586‐70‐7
Nizatidine EP Impurity K (Ranitidine EP Impurity G) 112233‐23‐5
Product: NORADRENALINE IMPURITIES/ NOREPINEPHRINE IMPURITIES

11.
Norepinephrine EP Impurity B 5090‐29‐9
Noradrenaline EP Impurity E 99‐40‐1
Norepinephrine EP Impurity F 20455‐68‐9
Norepinephrine EP Impurity G 13062‐58‐3
Noradrenaline Impurity C (Dopamine/ Dobutamine EP Impurity A)
51‐61‐6
62‐31‐7
Noradrenaline Impurity F (N,N‐Dibenzylamine) 103‐49‐1
Adrenaline/Epinephrine 51‐43‐4
Product: NORFLOXACIN IMPURITIES
Norfloxacin EP Impurity A/ Norfloxacin Related Compound A 68077‐26‐9
Norfloxacin EP Impurity B (Norfloxacin Desethylene Impurity/ Norfloxacin Ethylenediamine Analog) 75001‐77‐3
Norfloxacin EP Impurity C (Norfloxacin Dipiperazine Impurity) 177554‐64‐2
Norfloxacin EP Impurity D (Norfloxacin Descarboxy Impurity) 75001‐82‐0
Norfloxacin EP Impurity E/ Norfloxacin Related Compound E (Norfloxacin HCl 7‐Chloro Analog) 75001‐78‐4
Norfloxacin EP Impurity F (Norfloxacin 6‐Chloro Analog)
67681‐86‐1
67681‐84‐9
Norfloxacin EP Impurity G (Norfloxacin N‐Formyl Impurity) 70459‐04‐0
Norfloxacin EP Impurity H/ Norfloxacin Related Compound H (Norfloxacin N‐Ethoxycarbonyl Impurity) 105440‐01‐5
Norfloxacin EP Impurity K/ Norfloxacin Related Compound K 70459‐07‐3
Product: NORTRIPTYLINE IMPURITIES
Nortriptyline EP Impurity A (Amitriptyline EP Impurity A/ Amitriptyline Related Compound A/ Cyproheptadine EP
Impurity B/ Dibenzosuberone) 1210‐35‐1
Nortriptyline EP Impurity B (Cyclobenzaprine Related Compound B/ Desmethyl Cyclobenzaprine)
303‐50‐4
438‐59‐5
Nortriptyline EP Impurity D (Amitriptyline EP Impurity D/ Amitriptyline Related Compound B/ Amitriptynol) 1159‐03‐1
Nortriptyline EP Impurity I (Amitriptyline EP Impurity G/ Dibenzosuberol) 1210‐34‐0

12.
Nortriptyline EP Impurity J (Amitriptyline N‐Oxide) 4317‐14‐0
Product: OFLOXACIN IMPURITIES
Ofloxacin EP Impurity A (Ofloxacin Difluoro Carboxylic Acid) 82419‐35‐0
Ofloxacin EP Impurity C (Ofloxacin Desfluoro Impurity) 95848‐94‐5
Ofloxacin EP Impurity D Ethyl Ester 2172959‐66‐7
Ofloxacin EP Impurity E (Desmethyl Ofloxacin) 82419‐52‐1
Ofloxacin EP Impurity F (Ofloxacin N‐Oxide) 104721‐52‐0
Ofloxacin R‐Isomer 100986‐86‐5
Ofloxacin Desethylene Impurity 1797983‐25‐5
Ofloxacin Desfluoro Acid 56346‐18‐0
Product: OLANZAPINE IMPURITIES
Olanzapine EP Impurity A/ Olanzapine Related Compound A 138564‐59‐7
Olanzapine EP Impurity B/ Olanzapine Related Compound B 221176‐49‐4
Olanzapine EP Impurity C (Chloromethyl Olanzapinium chloride)
719300‐59‐1
735264‐27‐4
Olanzapine EP Impurity D/ Olanzepine Related Compound C (Olanzapine N‐Oxide) 174794‐02‐6
Olanzapine Impurity‐A/ Olanzapine N‐Desmethyl 161696‐76‐0
Olanzapine Impurity 1/ Olanzapine Amino 873895‐41‐1
Olanzapine N‐Formyl Impurity 639460‐79‐0
Olanazpine LIP 1 Acetyl 935272‐10‐9
Olanzapine Thiohydroxymethylidene 1320360‐86‐8
Olanzapine Lactone Impurity 1017241‐34‐7
Olanzapine Thiolactam 1017241‐36‐9
Olanzapine Amine Impurity 138564‐60‐0
Olanzapine Ring‐opening Impurity 138564‐61‐1
N‐Desmethyl N‐Ethyl Olanzapine 1355034‐54‐6
Olanzapine Dimer Impurity
4‐Amino‐2‐methyl‐10H‐thieno[2,3‐b][1,5]‐benzodiazapine
612503‐08‐9
138564‐60‐0
4,4'‐(1,4‐Piperazinediyl)bis[2‐methyl‐10H‐thieno[2,3‐b][1,5]benzodiazepine] 1070876‐09‐3

13.
o‐Fluoronitrobenzene 1493‐27‐2
2‐Amino‐5‐methyl‐3‐thiophenecarbonitrile 138564‐58‐6
Product: OLAPARIB IMPURITIES
Olaparib Furan Diene Impurity
Product: OLMESARTAN MEDOXOMIL IMPURITIES
Olmesartan EP Impurity A (Olmesartan Acid) 144689‐24‐7
Olmesartan EP Impurity B/ Olmesartan Related Compound A (Olmesartan Lactone) 849206‐43‐5
Olmesartan EP Impurity C/ Olmesartan Medoxomil Olefinic Impurity USP (Dehydro Olmesartan Medoxomil/ Anhydro
Olmesartan Medoxomil) 879562‐26‐2
Olmesartan EP Impurity D (N2‐Trityl Olmesartan Medoxomil) 1020157‐01‐0
Olmesartan Medoxomil Impurity G 761404‐82‐4
N1‐Trityl Olmesartan Medoxomil 144690‐92‐6
Olmesartan Impurity N‐(Triphenylmethyl)‐5‐(4’‐bromomethylbiphenyl‐2‐yl)tetrazole/ Losartan Bromo N1 Trityl
Impurity 124750‐51‐2
Olmesartan Ethyl Ester 144689‐23‐6
Olmesartan Medoxomil Impurity (N1,N2‐5‐Methyl‐1,3‐Dioxol‐2‐one) 1392475‐91‐0
Olmesartan intermediate Impurity 157356‐73‐5
Olmesartan Anhydro Acid N2‐Trityl Ethyl Ester
Olmesartan Ethyl Ester Trityl Impurity 144690‐33‐5
Olmesartan Impurity 3 172875‐53‐5
Olmesartan Ethyl methyl impurity 1378863‐72‐9
Olmesartan Anhydro Acid/ Olmesartan Methylvinyl Acid/ Olmesartan Olefinic Acid 172875‐98‐8
Olmesartan ethyl ester N‐1 trityl analog 189400‐21‐3
Olmesartan Impurity 4 1443544‐27‐1
Olmesartan Chloromethyl Impurity 80841‐78‐7
Olmesartan Impurity 6 144690‐07‐3
Olmesartan Impurity 2/ Losartan Tritylated Dibromo Impurity 358685‐13‐9
Olmesartan Imidazole Ethyl Ester Impurity 144689‐93‐0
ethyl 4‐(2‐methoxypropan‐2‐yl)‐2‐propyl‐1H‐imidazole‐5‐carboxylate 1092980‐84‐1
Olmesartan Imidazole Diacid Impurity 58954‐23‐7
Olmesartan Imidazole Diethyl Ester Impurity 144689‐94‐1

14.
Olmesartan Medoxomil Methyl Ether/ Olmesartan Medoxomil O‐Methyl Analog 896419‐17‐3
Olmesartan Methyl Ether/ O‐Methyl Olmesartan Acid 1039762‐40‐7
Olmesartan Medoxomil Ethyl Analog/ Ethyl Olmesartan Medoxomil 1378863‐74‐1
Olmesartan Ethyl Ester N2‐Trityl Analog 172875‐59‐1
Olmesartan Dimer Ester 1040250‐19‐8
Product: OLOPATADINE IMPURITIES
Olopatadine Related Compound B (Olopatadine N‐Oxide)
203188‐31‐2
173174‐07‐7
Olopatadine Related Compound C 55453‐87‐7
Olopatadine (E)‐Isomer
949141‐22‐4
113806‐06‐7
Olapatidin Acetaldehyde/ Olopatadine Carbaldehyde 1376615‐97‐2
Olopatadine Isopropyl Ester 1206456‐44‐1
Olopatadine Ethyl Ester 1253107‐27‐5
Olopatadine Hydroxy Derivative 949141‐21‐3
Product: OMEPRAZOLE IMPURITIES
Omeprazole EP Impurity A/ Omeprazole Related Compound B (Esomeprazole EP Impurity A) 37052‐78‐1
Omeprazole EP Impurity B (Esomeprazole EP Impurity B/ Desmethoxy Omeprazole) 110374‐16‐8
Omeprazole EP Impurity C (Omeprazole Sulfide/ Ufiprazole/ Esomeprazole EP Impurity C) 73590‐85‐9
Omeprazole EP Impurity D (Omeprazole Sulfone/ Esomeprazole EP Impurity D/ Esomeprazole Related Compound A) 88546‐55‐8
Omeprazole EP Impurity E/ Omeprazole Related Compound E (Omeprazole N‐Oxide/ Esomeprazole EP Impurity E) 176219‐04‐8
Omeprazole EP Impurity F/ Omeprazole Related Compound F 125656‐82‐8
Omeprazole EP Impurity G/ Omeprazole Related Compound G 125656‐83‐9
Omeprazole EP Impurity H (Esomeprazole Impurity H) 863029‐89‐4

15.
Omeprazole EP Impurity I/ Omeprazole Related Compound I (Omeprazole Sulfone N‐Oxide/ Esomeprazole Impurity
Sulfone N‐Oxide) 158812‐85‐2
Omeprazole EP Impurity XI
84006‐10‐0
86604‐75‐3
Omeprazole 4‐Desmethyl Impurity 301669‐82‐9
5‐O‐Desmethyl omeprazole 1151602‐49‐2
Omeprazole R‐Isomer (Esomeprazole EP Impurity F) 161796‐77‐6
Omeprazole N‐Methyl 5‐Methoxy Analog 89352‐76‐1
Omeprazole Pyridone Acid 1227380‐90‐6
4‐Hydroxy Omeprazole Sulfide/ Omeprazole Pyridone 103876‐98‐8
4,5’‐Di(desmethyl) Omeprazole Sulfide 176219‐12‐8
Omeprazole S‐Isomer 119141‐88‐7
Product: ONDANSETRON IMPURITIES
Ondansetron EP Impurity A/ Ondansetron Related Compound A
153139‐56‐1
119812‐29‐2
Ondansetron EP Impurity B/ Ondansetron Related Compound B (Ondansetron Dimer) 1076198‐52‐1
Ondansetron EP Impurity C/ Ondansetron Related Compound C 27387‐31‐1
Ondansetron EP Impurity D/ Ondansetron Related Compound D 99614‐64‐9
Ondansetron EP Impurity E (Enalapril EP Impurity I/ Imidazole/ Clotrimazole EP Impurity D/ Bifonazole EP Impurity C) 288‐32‐4
Ondansetron EP Impurity F 693‐98‐1
Ondansetron EP Impurity G (C‐Desmethyl Ondansetron) 99614‐03‐6
Ondansetron EP Impurity H (N‐Desmethyl Ondansetron) 9614‐14‐9
Product: ORLISTAT IMPURITIES
Orlistat Related Compound C (Triphenylphosphine Oxide) 791‐28‐6
Orlistat Related Compound D 130793‐27‐0
Orlistat Open Ring Epimer impurity (Orlistat Open Ring (2S,3R,5S)‐Isomer) 130793‐28‐1
Orlistat Open Ring Acid impurity ( Orlistat Open Ring (2S,3S,5S)‐Isomer) 130676‐66‐3
Orlistat Dihydropyranone Impurity 130676‐64‐1

16.
Product: ORNIDAZOLE IMPURITIES
Ornidazole 4‐Nitro Isomer 14419‐11‐5
Ornidazole Impurity 1 (Tinidazole EP Impurity A/ Tinidazole Related Compound A/ Metronidazole EP impurity A) 696‐23‐1
Product: ORPHENADRINE IMPURITIES
Orphenadrine EP Impurity D (Diphenhydramine) 147‐24‐0
Product: OSELTAMAVIR IMPURITIES
Oseltamivir EP Impurity A 1364932‐19‐3
Oseltamivir EP Impurity C (Oseltamivir Acid) 187227‐45‐8
Oseltamivir EP Impurity D 1346604‐18‐9
Oseltamivir EP Impurity E (Oseltamivir Acid Methyl Ester) 208720‐71‐2
Oseltamivir EP Impurity G (4‐N‐Desacetyl‐5‐N‐Acetyl Oseltamivir) 956267‐10‐0
Oseltamivir Related Compound A
Oseltamavir Ethyl ester
Product: OSPEMIFENE IMPURITIES
Vinyl Ospemifene
Ospemifene Impurity 1 (Fispemifene) 341524‐89‐8
Ospemifene Impurity 2 89778‐42‐7
Reduced Ospemifene impurity
Ospemifene E‐Isomer 238089‐02‐6
4‐Deschloro‐4‐bromo Ospemifene
Product: OXAPROZIN IMPURITIES
4‐Oxo‐4‐[(2‐oxo‐1,2‐diphenylethyl)amino]‐butanoic Acid 55217‐13‐5
Product: OXAZOLIDINE IMPURITIES
Oxazolidine‐2‐thione 5840‐81‐3
1,9‐Bis(4‐fluorophenyl)nonane‐1,5,9‐trione 914777‐33‐6
Product: OXCARBAZEPINE IMPURITIES
Oxcarbazepine EP Impurity B (10‐Methoxycarbamazepine) 28721‐09‐7
Oxcarbazepine EP Impurity C/ Oxcarbazepine Related Compound E 21737‐58‐6
Oxcarbazepine EP Impurity D 19579‐83‐0

17.
Oxcarbazepine EP Impurity E (Carbamazepine EP Impurity D/ Carbamazepine Related Compound B/ Iminostilbene) 256‐96‐2
Oxcarbazepine EP Impurity F 28721‐08‐6
Oxcarbazepine EP Impurity G 15882‐79‐8
Oxcarbazepine EP Impurity H (10‐Methoxy Iminostilbene) 4698‐11‐7
Oxcarbazepine EP Impurity I (11‐Keto Oxcarbazepine) 537693‐29‐1
Oxcarbazepine EP Impurity K/ Oxcarbazepine Related Compound A (N‐Formyl Oxcarbazepine) 1346601‐76‐0
Oxcarbazepine EP Impurity L/ Oxcarbazepine Related Compound B
Carbamazepine 298‐46‐4
Licarbazepine 29331‐92‐8
9‐methylacridine (Carbamazepine EP Impurity B/ Carbamazepine Related Compound D) 611‐64‐3
Acridin‐9(10H)‐one 578‐95‐0
Product: OXIFLOXACIN IMPURITIES
Oxifloxacin EP Impurity F (Levofloxacin EP Impurity C/ Levofloxacin N‐oxide)
117678‐38‐3
117678‐37‐2
Product: OXYBUTYNIN IMPURITIES
Oxybutynin EP Impurity B (Diphenyl Analogue of Oxybutynin) 14943‐53‐4
Oxybutynin EP Impurity C 1199574‐70‐3
Oxybutynin EP Impurity D/ Oxybutynin Related Compund A (Phenylcyclohexylglycolic acid) 4335‐77‐7
Oxybutynin EP Impurity E 1215677‐72‐7
Oxybutynin Related Compound B (Cyclohexyl mandelic acid methyl ester) 10399‐13‐0
Quinuclidin‐3‐yl 2‐hydroxy‐2,2‐diphenylacetate 6581‐06‐2
Methyl 2‐hydroxy‐2,2‐diphenylacetate 76‐89‐1
Ethyl 2‐Cyclohexyl‐2‐hydroxyphenylacetate 31197‐69‐0
Oxybutynin N‐Oxide 80976‐68‐7
Product: OXYMETAZOLINE IMPURITIES
Oxymetazoline EP Impurity A/ Oxymetazoline Related Compound A
1391194‐44‐7
1391053‐50‐1
Oxymetazoline EP Impurity B (Xylometazoline) 1218‐35‐5
Oxymetazoline EP Impurity C 55699‐13‐3

18.
Oxymetazoline EP Impurity D 55699‐12‐2
Oxymetazoline EP Impurity E 55699‐10‐0
6‐tert‐Butyl‐2,4‐dimethylphenol 1879‐09‐0
4‐tert butyl‐2,6‐dimethyl‐3‐hydroxy benzyl chloride 23500‐79‐0
Product: PACLITAXEL IMPURITIES
Paclitaxel EP Impurity E (7‐epi‐Paclitaxel) 105454‐04‐4
Paclitaxel EP Impurity G (10‐Desacetyl Paclitaxel) 78432‐77‐6
Paclitaxel EP Impurity H (7‐Epi 10‐Desacetyl Paclitaxel) 78454‐17‐8
10‐Deacetyl Baccatin III 32981‐86‐5
Product: PALBOCICLIB IMPURITIES
6‐Bromo‐2‐chloro‐8‐cyclopentyl‐5‐methylpyrido‐[2,3‐d]pyrimidin‐7(8H)‐one 1016636‐76‐2
1‐Boc‐4‐(6‐aminopyridin‐3‐yl)piperazine 571188‐59‐5
Product: PALIPERIDONE IMPURITIES
Paliperidone Related Compound A (Paliperidone Ethyl Impurity)
849903‐79‐3
849727‐64‐6
Paliperidone Related Compund B (Paliperidone Amine Impurity/ Risperidone EP Impurity M) 84163‐13‐3
Paliperidone Related Compound C (Paliperidone Chloroethyl Impurity) 130049‐82‐0
Paliperidone Related Compound D (Paliperidone N‐Oxide) 761460‐08‐6
Paliperidone N‐1 Intermediate 147687‐17‐0
Paliperidone Tetradehydro Impurity (6,7,8,9‐Dehydro Paliperidone/ 6,7,8,9‐Dehydro 9‐Hydroxy Risperidone) 170359‐61‐2
Paliperidone 9‐Keto Impurity (9‐Keto Risperidone/ 9‐Oxo Risperidone) 1189516‐65‐1
Risperidone 106266‐06‐2
Paliperidone 5‐Fluoro Isomer 1346598‐34‐2
Paliperidone Z‐Oxime 1388021‐47‐3
2‐Desmethyl Paliperidone 1268058‐08‐7
Paliperidone (E)‐Oxime 1388021‐46‐2
(4‐fluoro‐2‐hydroxyphenyl)‐4‐piperidinyl‐, hydrochloride 81043‐50‐7
Paliperidone Desfluoro Impurity 1380413‐60‐4
Paliperidone R‐Isomer 130049‐85‐3

19.
Paliperidone S‐Isomer 147663‐01‐2
Paliperidone Tetradehydro Chloroethyl Impurity
260273‐82‐3
849727‐62‐4
Product: PALONOSETRON IMPURITIES
Palonosetron Related Compound A (Palonosetron N‐Oxide) 813425‐83‐1
Palonosetron Related Compound B (Palonosetron‐3‐ene N‐Oxide) 1021456‐82‐5
Palonosetron Related Compound C (Palonosetron (S,R)‐Isomer)
149654‐00‐2
135729‐76‐9
Palonosetron Related Compound D (Palonosetron (R,S)‐Isomer) 135755‐51‐0
Palonosetron Related Compound E (Palonosetron‐3‐ene HCl) 135729‐55‐4
(S)‐N‐(1‐Azabicyclo[2.2.2]oct‐3‐yl)‐5,6,7,8‐tetrahydro‐1‐naphthalenecarboxamide 135729‐78‐1
Dehydropalonosetron
Palonosetron Enantiomer ( Palonosetron (R,R)‐Isomer) 135729‐75‐8
Methyl 5,6,7,8‐tetrahydronaphthalene‐1‐carboxylate 66193‐59‐7
Product: PANTOPRAZOLE IMPURITIES
Pantoprazole EP Impurity A/ Pantoprazole Related Compound A (Pantoprazole Sulfone) 127780‐16‐9
Pantoprazole EP Impurity B/ Pantoprazole Related Compound B (Pantoprazole Sulfide) 102625‐64‐9
Pantoprazole EP Impurity C/ Pantoprazole Related Compound C (Pantoprazole Thiol Impurity) 97963‐62‐7
Pantoprazole EP Impurity D/ Pantoprazole Related Compound D (N1‐Methyl Pantoprazole) 624742‐53‐6
Pantoprazole EP Impurity F/ Pantoprazole Related Compound F (N‐Methyl Pantoprazole 6‐(Difluoromethoxy) Analog) 721924‐06‐7
Pantoprazole Related Compound E (Pantoprazole Dimer) 2115779‐15‐0
Pantoprazole Chloromethyl Impurity 72830‐09‐2
Pantoprazole N‐Oxide
953787‐60‐5
1279822‐90‐0
Pantoprazole Sulfone N‐Oxide 953787‐55‐8

20.
Product: PARABEN IMPURITIES
Butylparaben Impurity E 4247‐02‐3
Product: PARACETAMOL IMPURITIES/ ACETAMINOPHEN IMPURITIES
Paracetamol EP Impurity A 614‐80‐2
Paracetamol EP Impurity B 1693‐37‐4
Paracetamol EP Impurity D 103‐84‐4
Paracetamol EP Impurity E 99‐93‐4
Paracetamol EP Impurity F 100‐02‐7
Paracetamol EP Impurity G 198712‐64‐0
Paracetamol EP Impurity H 2623‐33‐8
Paracetamol EP Impurity I 118‐93‐4
Paracetamol EP Impurity J 539‐03‐7
Paracetamol EP Impurity K
123‐30‐8
51‐78‐5
Product: PAROXETINE IMPURITIES
Paroxetine EP Impurity A/ Paroxetine Related Compound B (Desfluoro Paroxetine)
1394842‐91‐1
324024‐00‐2
1322626‐23‐2
Paroxetine EP impurity E/ Paroxetine Related Compound D (cis‐Paroxetine)
105813‐05‐6
1396174‐70‐1
Paroxetine EP Impurity F (N‐Benzyl Desfluoro Paroxetine) 105813‐39‐6
Paroxetine Anhydrous EP Impurity B 533‐31‐3
Paroxetine Anhydrous EP Impurity C (N‐benzylparoxetine) 105813‐14‐7
Paroxetine Hemihydrate EP Impurity C (4‐Ethoxy Paroxetine)
606968‐04‐1
1395408‐54‐4
1346597‐97‐4
Paroxetine HCl Hemihydrate EP Impurity G/ Paroxetine HCl Related Compound E
69675‐10‐1
1012886‐75‐7
Paroxetine Related Compound F 110429‐36‐2
N‐Benzyl Paroxetine 105813‐13‐6

21.
Sesamol Acetate 326‐58‐9
Product: PAZOPANIB IMPURITIES
3‐Amino‐6‐methylbenzenesulfonamide 6973–09‐7
N‐(2‐Chloro‐4‐pyrimidinyl)‐N,2,3‐trimethyl‐2H‐indazol‐6‐amine 444731‐75‐3
1,3‐Dimethylindazol‐6‐amine 221681‐92‐1
2,3‐Dimethyl‐6‐amino‐2H‐indazole hydrochloride
444731‐72‐0
635702‐60‐2
2,3‐Dimethyl‐6‐nitro‐2H‐indazole 444731‐73‐1
6‐chloropyrimidin‐2(1H)‐one 80927‐55‐5
N2‐(2‐chloropyrimidin‐4‐yl)‐N2,N4‐bis(2,3‐dimethyl‐2H‐indazol‐6‐yl)pyrimidine‐2,4‐diamine 1226500‐02‐2
N2‐(2‐chloropyrimidin‐4‐yl)‐N2,N4‐bis(2,3‐dimethyl‐2H‐indazol‐6‐yl)‐N4‐methylpyrimidine‐2,4‐diamine 1252927‐44‐8
3‐amino‐4‐methylbenzenesulfonamide 6274‐28‐8
Product: PEMETREXED IMPURITIES
Pemetrexed EP Impurity D (Pemetrexed Triacid) 1265908‐59‐5
Pemetrexed Acid 137281‐39‐1
Pemetrexed Acid Methyl Ester 155405‐80‐4
Pemetrexed Diethyl Ester 146943‐43‐3
Pemetrexed Keto impurity 193281‐00‐4
Methyl 4‐bromobenzoate 619‐42‐1
3‐Butyn‐1‐ol 927‐74‐2
2,4‐Diamino‐6‐hydroxypyrimidine 56‐06‐4
D‐Pemetrexed Hydrate 937370‐10‐0
4‐(4‐Oxobutyl)benzoic Acid Methyl Ester 106200‐41‐3
Product: PENCICLOVIR IMPURITIES
Penciclovir 6‐Deoxy Impurity 104227‐86‐3
Penciclovir Acetate 6‐Deoxy Impurity 104227‐88‐5
Product: PENDIMETHALIN IMPURITIES
N2‐(1‐Ethylpropyl)‐4,5‐dimethyl‐3‐nitro‐1,2‐benzenediamine 66382‐22‐7

22.
Product: PENICILLAMINE IMPURITIES
3,3’‐Trithiobis‐D‐valine 22801‐32‐7
Product: PENTOXIFYLLINE IMPURITIES
Pentoxifylline EP Impurity A (Theobromine) 83‐67‐0
Pentoxifylline EP Impurity B (Theophylline EP Impurity B/ Linagliptin 3‐Methyl Xanthine Impurity) 1076‐22‐8
Pentoxifylline EP Impurity C (Diprophylline EP Impurity B/ Caffeine EP Impurity A/ Theophylline/ Dimenhydrinate EP
Impurity A) 58‐55‐9
Pentoxifylline EP Impurity F (Theophylline EP Impurity A/ caffeine) 58‐08‐2
Product: PERAZINE IMPURITIES
Perazine Sulfoxide 20627‐44‐5
Perazine Dimer
Product: PERINDOPRIL IMPURITIES
Perindopril EP Impurity A (Ramipril Bicyclic Acid) 80875‐98‐5
Perindopril EP Impurity B/ Perindopril Related Compound B (Perindoprilat/ Perindopril Diacid) 95153‐31‐4
Perindopril EP Impurity C (Perindoprilat Lactam A) 129970‐99‐6
Perindopril EP Impurity D/ Perindopril Related Compound D 130061‐28‐8
Perindopril EP Impurity E/ Perindopril Related Compound E (Perindoprilat Isopropyl Ester) 1356837‐89‐2
Perindopril EP Impurity F/ Perindopril Related Compound F (Perindopril Diketopiperazine) 129970‐98‐5
(1R)‐Perindopril t‐Butylamine Salt 145513‐33‐3
Perindopril Benzyl Ester 122454‐52‐8
Product: PERMETHRIN IMPURITIES
Permethrin EP Impurity A 3586‐14‐9
Permethrin EP Impurity B (Permethrinic Acid Methyl Ester) 61898‐95‐1
Permethrin EP Impurity C 13826‐35‐2
Permethrin EP Impurity D 39515‐51‐0
Permethrin EP Impurity E 53874‐66‐1
Permethrin EP Impurity G 85576‐82‐5
Product: PERPHENAZINE IMPURITIES

23.
Perphenazine EP Impurity A (Perphenazine Sulfoxide) 10078‐25‐8
Product: PHENIRAMINE IMPURITIES
4‐Benzylpyridine 2116‐65‐6
Pheniramine EP Impurity A 101‐82‐6
Product: PHENOXYBENZAMINE IMPURITIES
Phenoxybenzamine Hydroxide 101‐45‐1
Phenoxybenzamine N‐Oxide
Product: PHENYLEPHRINE IMPURITIES
Phenylephrine EP Impurity A (Etilefrine EP Impurity C/ rac Norphenylephrine)
536‐21‐0
4779‐94‐6
5596‐07‐6
Phenylephrine EP Impurity C / Phenylephrine Related Compound C (Phenylephrone)
52093‐42‐2
94240‐17‐2
Phenylephrine EP Impurity D 1159977‐09‐9
Phenylephrine EP Impurity E / Phenylephrine Related Compound E (Benzyl Phenylephrone)
56917‐44‐3
71786‐67‐9
Phenylephrine Related Compound D 1367567‐95‐0
N‐(2‐Succinyl) Phenylephrine Impurity 915278‐80‐7
Product: PHENYTOIN IMPURITIES
Phenytoin EP Impurity A (Diphenhydramine EP Impurity E/ Diphenylmethanone/ Benzophenone) 119‐61‐9
Product: PICOSULFATE IMPURITIES
Picosulfate EP Impurity B 603‐41‐8
Product: PIOGLITAZONE IMPURITIES
Pioglitazone EP Impurity A (Pioglitazone 5‐Hydroxy Metabolite) 625853‐74‐9
Pioglitazone EP Impurity B (Pioglitazone Didehydro Impurity)
627502‐58‐3
144809‐28‐9
136401‐69‐9
Pioglitazone EP Impurity C/ Pioglitazone Related Compound C (N‐Alkyl Pioglitazone) 952188‐00‐0
Pioglitazone EP Impurity D 868754‐41‐0

24.
Pioglitazone EP Impurity E (Pioglitazone Ethyl Ester Impurity) 868754‐42‐1
Pioglitazone EP Impurity F (Pioglitazone bis‐Ether Impurity) 1391052‐15‐5
Pioglitazone EP Impurity G 952187‐99‐4
Pioglitazone Bromo Impurity 669716‐58‐9
Pioglitazone Phenol Impurity (Pioglitazone M1 Metabolite) 74772‐78‐4
Pioglitazone N‐Oxide 145350‐09‐0
5‐[[4‐[2‐(5‐(1‐Hydroxyethyl)‐2‐pyridinyl)ethoxy]phenyl]methyl]‐2,4‐thiazolidinedione 146062‐44‐4
Product: PIPERACILLIN IMPURITIES
Piperacillin EP Impurity H (Flucloxacillin EP Impurity C/ Cloxacillin EP Impurity C/ Ampicillin EP Impurity A/ Amoxicillin
EP Impurity A/ Amoxicillin Related Compound A/ Sulbactam EP Impurity B/ 6‐Aminopenicillanic Acid) 551‐16‐6
Product: PIPERAQUINE IMPURITIES
Piperaquine Impurity A 837‐52‐5
Piperaquine Impurity H 31502‐87‐1
7‐Chloro‐4‐[4‐(3‐chloropropyl)‐1‐piperazinyl]‐quinoline 4038‐99‐7
Product: PIRACETAM IMPURITIES
Piracetam EP Impurity A (Povidone EP Impurity B/ pyrrolidin‐2‐one/Levetiracetam Impurity 3/2‐Oxo‐4‐butyrolactam) 616‐45‐5
Piracetam EP Impurity B 59776‐88‐4
Piracetam EP Impurity C 61516‐73‐2
Piracetam EP Impurity D 53934‐76‐2
Product: PIRFENIDONE IMPURITIES
Pirfenidone EP Impurity A 1603‐41‐4
Pirfenidone EP Impurity B 1003‐68‐5
Pirfenidone EP Impurity C (Phenol) 108‐95‐2
Pirfenidone EP Impurity D (Bromobenzene) 108‐86‐1
Pirfenidone 5‐Carboxylic Acid Impurity
77837‐08‐2
1189982‐99‐7
Methyl 1,6‐dihydro‐6‐oxo‐1‐phenylpyridine‐3‐carboxylate 77837‐09‐3
N‐(4‐Hydroxyphenyl)‐5‐methyl‐2‐1H‐pyridone 851518‐71‐3

25.
Product: PIROXICAM IMPURITIES
Piroxicam EP Impurity A (Tenoxicam EP Impurity A/ Mepyramine EP Impurity C/ 2‐Aminopyridine) 504‐29‐0
Piroxicam EP Impurity B (N‐Desmethyl Piroxicam) 65897‐46‐3
Piroxicam EP Impurity C 24683‐25‐8
Piroxicam EP Impurity D 6639‐62‐9
Piroxicam EP Impurity E 24683‐20‐3
Piroxicam EP Impurity F 76508‐37‐7
Piroxicam EP Impurity G 35511‐14‐9
Piroxicam EP Impurity H 24683‐21‐4
Piroxicam EP Impurity I 76508‐35‐5
Piroxicam EP Impurity J (Meloxicam EP Impurity E) 35511‐15‐0
Piroxicam EP Impurity K (Meloxicam EP Impurity A/ Meloxicam Related Compund A)
113913‐36‐3
24683‐26‐9
Piroxicam EP Impurity L (Meloxicam EP Impurity F/ Meloxicam Related Compund C) 118854‐48‐1
Product: PITAVASTATIN IMPURITIES
Pitavastatin Desfluoro Acetonide t‐Butyl Ester
Defluoro Pitavastatin Calcium Salt
847849‐67‐6
1258947‐30‐6
Pitavastatin (3S,5R)‐Isomer Calcium Salt (Pitavastatin Enantiomer)
254452‐86‐3
254452‐88‐5
Pitavastatin Dihydrobenzophenanthridine Impurity 1187966‐91‐1
Pitavastatin Lactone 141750‐63‐2
Pitavastatin Acetonide t‐Butyl Ester 147489‐06‐3
Pitavastatin Methyl Ester 849811‐78‐5
Pitavastatin t‐Butyl Ester 586966‐54‐3
Pitavastatin N‐Oxide
2276678‐27‐2
1611499‐16‐1
2‐Amino‐2'‐fluorobenzophenone 1581‐13‐1

26.
Product: PLERIXAFOR IMPURITIES
Plerixafor 1,4,8,11‐Tetraazacyclotetradecane/ 1,4,8,11‐Tetraazacyclotetradecane 295‐37‐4
4‐(1,4,8,11‐Tetraazacyclotetradec‐1‐ylmethyl)‐Benzenemethanol 176252‐20‐3
1‐(4‐Methylbenzyl)‐1,4,8,11‐tetraazacyclotetradecane 351472‐73‐6
1,8‐Bis(4‐((1,4,8,11‐tetraazacyclotetradecan‐1‐yl)methyl)benzyl)‐1,4,8,11‐tetraazacyclotetradecane 414858‐02‐9
Product: POMALIDOMIDE IMPURITIES
N‐Hydroxy Pomalidomide/ Hydroxyl‐amine impurity 497147‐11‐2
Pomalidomide Uncyclized Impurity 1001852‐10‐3
Pomalidomide Hydrolyzed 918314‐45‐1
(R)‐2‐(2,6‐Dioxopiperidin‐3‐yl)‐4‐nitroisoindoline‐1,3‐dione 19171‐18‐7
Product: POSACONAZOLE IMPURITIES
Posaconazole Impurity B/ Posaconazole Desethylene Diformyl Impurity 357189‐95‐8
Posaconazole 3‐Oxo Impurity 357189‐94‐7
Posaconazole Diastereoisomer Related Compound 1 159811‐30‐0
Posaconazole Dioxido Impurity 1902957‐95‐2
1‐((2S,3S)‐2‐(Benzyloxy)pentan‐3‐yl)‐N‐(4‐(4‐(4‐hydroxyphenyl)piperazin‐1‐yl)phenyl)hydrazinecarboxamide 345217‐02‐9
Posaconazole Tosyl Impurity 149809‐43‐8
Posaconazole 1‐Oxido Impurity 1902954‐03‐3
Posaconazole 4‐Oxido Impurity 1902954‐05‐5
4‐[4‐(4‐Aminophenyl)‐1‐piperazinyl]phendiamineol 74853‐08‐0
Product: POVIDONE IMPURITIES
Povidone EP Impurity B (Piracetam EP Impurity A/ pyrrolidin‐2‐one/Levetiracetam Impurity 3/2‐Oxo‐4‐butyrolactam) 616‐45‐5
Product: PRAMIPEXOLE IMPURITIES
Pramipexole EP Impurity A/ Pramipexole Related Compound A ((S)‐N‐Despropyl Pramipexole)
106092‐09‐5
104617‐49‐4
Pramipexole EP Impurity B (2‐N‐Propyl Pramipexole) 1246815‐83‐7
Pramipexole EP Impurity D/ Pramipexole Related Compound D (Pramipexole R‐Isomer/ Dexpramipexole)
104632‐28‐2
104632‐27‐1
Pramipexole EP Impurity E/ Pramipexole Related Compound B ((S)‐Pramipexole Amide) 106006‐84‐2

27.
Pramipexole Di‐Amide 1346617‐47‐7
Pramipexole N‐Despropyl (R)‐Isomer 106092‐11‐9
Pramipexole Aminobenzothiazole Impurity/ Pramipexole BTA Impurity/ 2‐Aminobenzothiazole 136‐95‐8
2‐Aminobenzoxazole 4570‐41‐6
2‐(2‐amino‐4,5,6,7‐tetrahydro‐1,3‐benzothiazol‐6‐yl)isoindole‐1,3‐dione 104618‐33‐9
Product: PRASUGREL IMPURITIES
Prasugrel Desfluoro Impurity
1391194‐45‐8
1391053‐53‐4
Prasugrel meta‐Fluoro Isomer
1391194‐39‐0
1391052‐75‐7
Prasugrel para‐Fluoro Isomer
1391194‐50‐5
1391053‐98‐7
Prasugrel Thiolactone (2‐Desacetyl Prasugrel/ 2‐Oxo‐Prasugrel) 150322‐38‐6
Prasugrel chlorobutyryl analog
1056459‐37‐0
1618107‐96‐2
Prasugrel diketone 1391054‐37‐7
5,6,7,7a‐Tetrahydro‐5‐(triphenylmethyl)thieno[3,2‐c]pyridinone 109904‐26‐9
Prasugrel Impurity 9/ Prasugrel Alpha Hydroxy Impurity 1100905‐45‐0
Prasugrel Bromo Opened Ring Impurity 1373350‐57‐2
Prasugrel alpha‐Bromo 4‐Fluoro Impurity 1359829‐52‐9
1‐Bromo‐5‐chloro‐1‐(2‐fluorophenyl)pentan‐2‐one 1373350‐58‐3
5‐Chloro‐1‐(2‐fluorophenyl)pentan‐2‐one 1056459‐35‐8
4,5,6,7‐Tetrahydro‐5‐(triphenylmethyl)thieno[3,2‐c]pyridine 109904‐25‐8
5,6,7,7a‐Tetrahydrothieno[3,2‐c]pyridinone Hydrochloride 115473‐15‐9
2‐Bromo‐2‐(2‐fluorophenyl)‐1‐cyclopropylethanone 204205‐33‐4
Descyclopropyl‐2‐oxopropyl Prasugrel 1443034‐67‐0
1‐cyclopropyl‐2‐(6,7‐dihydrothieno[3,2‐c]pyridin‐5(4H)‐yl)‐2‐(2‐fluorophenyl)ethan‐1‐one hydrochloride 1618108‐01‐2
Product: PRAVASTATIN IMPURITIES
Pravastatin Deshydroxy Impurity (Lovastatin EP Impurity A/ Mevastatin/ Compactin) 73573‐88‐3
Product: PRAZIQUANTEL IMPURITIES

28.
Praziquantel EP Impurity A/ Praziquantel Related Compound A (Praziquantel N‐Benzoyl Impurity) 54761‐87‐4
Praziquantel EP Impurity B/ Praziquantel Related Compound B 125273‐86‐1
Praziquantel EP Impurity C/ Praziquantel Related Compound C 125273‐88‐3
Product: PRAZOSIN IMPURITIES
Prazosin EP Impurity A (Alfuzosin EP Impurity B/ Terazosin EP Impurity A/ Doxazosin EP Impurity F/ Doxazosin Related
Compund C) 23680‐84‐4
Prazosin EP Impurity B (Terazosin EP Impurity M) 31350‐27‐3
Prazosin EP Impurity C (Doxazosin EP Impurity G/ Terazosin EP Impurity C/ Terazosin Related Compound A)
60547‐97‐9
60548‐08‐5
Prazosin EP Impurity D/ Prazosin Related Compound D (Terazosin EP Impurity L)
60548‐09‐6
40172‐95‐0
Prazosin EP Impurity E (Doxazosin EP Impurity H/ Terazosin EP Impurity E/ Terazosin Related Compound C)
102839‐00‐9
1486464‐41‐8
104965‐50‐6
Product: PREDNISOLONE IMPURITIES
Prednisolone EP Impurity A/ Hydrocortisone Acetate EP Impurity A (Hydrocortisone/Cortisol) 50‐23‐7
Prednisolone EP Impurity B (Prednisone) 53‐03‐2
Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C/ Methylprednisolone Acetate EP Impurity E) 52‐21‐1
Prednisolone Acetate EP Impurity C (Prednisolone 11,21‐Diacetate Impurity) 98523‐85‐4
Sodium 3‐Sulfobenzoate 17625‐03‐5
Product: PREGABALIN IMPURITIES
Pregabalin EP Impurity B/ Pregabalin Related Compound A (Pregabalin (R)‐Isomer) 148553‐51‐9
Pregabalin EP Impurity C 90‐64‐2
Pregabalin EP Impurity D 4118‐51‐8
Pregabalin Racemate 128013‐69‐4
Pregabalin Methyl Ester
714230‐22‐5
1955557‐35‐3
Pregabalin N‐Methyl Impurity 1155843‐61‐0

29.
Pregabalin Related Compound C (Pregabalin Lactam Impurity) 61312‐87‐6
Pregabalin Diacid Impurity (Pregabalin 3‐Carboxy Impurity) 75143‐89‐4
Pregabalin Amide Impurity 1568181‐40‐7
Pregabalin Piperidinedione Impurity (Pregabalin 2,6‐dione Impurity) 916982‐10‐0
rac 4,5‐Dehydro Pregabalin (4‐ENE imp) 216576‐74‐8
Pregabalin In house impurity (3‐Carbamoymethyl‐5‐methylhexanoic Acid)
181289‐15‐6
181289‐33‐8
rac 5,6‐Dehydro Pregabalin (5‐ENE imp) 1136478‐30‐2
3‐(AMINOMETHYL)HEPTANOIC ACID 130912‐51‐5
2,4‐dicyano‐3‐isobutylpentanediamide 185815‐56‐9
Isovaleraldehyde 590‐86‐3
(R)‐(+)‐Phenyl ethyl amine (Levetiracetam EP Impurity E) 3886‐69‐9
Pregabalin EP Impurity A (Pregabalin Lactam S‐Isomer) 181289‐23‐6
(3S)‐3‐(2‐Amino‐2‐oxoethyl)‐5‐methylhexanoic acid 181289‐34‐9
Pregabalin Pyrandione Impurity 185815‐59‐2
L‐Mandelic Acid (Atomoxetine EP Impurity E/ (S)‐(+)‐Mandelic Acid) 17199‐29‐0
Ethyl cyanoacetate 105‐56‐6
D‐Mandelic Acid (Sertraline EP Impurity E/ (R)‐(‐)‐Mandelic Acid) 611‐71‐2
(3S)‐3‐(2‐Methylpropyl)‐pentanedioic Acid 1‐Methyl Ester 181289‐25‐8
4,9‐Diisobutyl‐1,6‐diazecane‐2,7‐dione/ DIBAC 1990538‐03‐8
Pregabalin lactose conjugate 72689‐48‐6
Pregabalin Trimer Impurity (3‐(bis((S)‐4‐isobutyl‐2‐oxopyrrolidin‐1‐yl)methyl)‐5‐methylhexanoic acid)
Product: PROCYCLIDINE IMPURITIES
1‐phenyl‐3‐(pyrrolidin‐1‐yl)propan‐1‐one 886‐06‐6
11,1‐diphenyl‐3‐(pyrrolidin‐1‐yl)propan‐1‐ol 968‐58‐1
Product: PROGESTERONE IMPURITIES
Progesterone 17α‐Hydroxy Impurity 68‐96‐2
Product: PROMETHAZINE IMPURITIES
Promethazine EP Impurity A (Alimemazine EP Impurity C/ Phenothiazine) 92‐84‐2
Promethazine EP Impurity B/ Promethazine Related Compound B (Isopromethazine) 5568‐90‐1

30.
Promethazine EP Impurity C (N‐Desmethyl Promethazine) 60113‐77‐1
Promethazine EP Impurity D (Promethazine Sulfoxide) 7640‐51‐9
2‐Dimethylaminoisopropyl chloride 4584‐49‐0
10H‐phenothiazine‐2‐carboxylic Acid Amide 1778‐82‐1
2‐Bromo‐10H‐phenothiazine 66820‐95‐9
Product: PROPAFENONE IMPURITIES
Propafenone EP Impurity A 3516‐95‐8
Propafenone EP Impurity B/ Propafenone Related Compound B (Propafenone Didehydro Impurity) 88308‐22‐9
Propafenone EP Impurity C 22525‐95‐7
Propafenone EP Impurity D (Despropylamino Hydroxy Propafenone) 91401‐73‐9
Propafenone EP Impurity E (Despropylamino Chloro Propafenone) 165279‐79‐8
Propafenone EP Impurity F 1329643‐40‐4
Propafenone EP Impurity G 1346603‐80‐2
Propafenone EP Impurity H (Flavanone)
487‐26‐3
27439‐12‐9
Propafenone N‐Despropyl
86383‐21‐3
1188263‐52‐6
93885‐20‐2
5‐Hydroxy Propafenone Hydrochloride 86384‐10‐3
Product: PROPARACAINE IMPURITIES
4‐Chloro‐3‐nitrobenzoic acid 96‐99‐1
Product: PROPOFOL IMPURITIES
Propofol EP Impurity E/ Propofol Related Compund A 2416‐95‐7
Propofol EP Impurity G/ Propofol Related Compund C 141214‐18‐8
Propofol EP Impurity K 14366‐59‐7
Propofol EP Impurity O 74663‐48‐2
Product: PROPRANOLOL IMPURITIES
Propranolol EP Impurity B 83314‐78‐7
Propranolol EP Impurity C 17216‐10‐3

31.
Naphthalen‐1‐ol (Duloxetine EP Impurity D/ α‐Napthol) 90‐15‐3
Epichlorohydrin 106‐89‐8
Propranolol Epoxide impurity 2461‐42‐9
1‐chloro‐3‐(1‐naphthyloxy)propan‐2‐ol 20133‐93‐1
Propranolol Glycol 36112‐95‐5
Product: PROPYLPARABEN IMPURITIES
Methylparaben (Nifuroxazide EP Impurity B) 99‐76‐3
Ethyl Paraben 120‐47‐8
Product: PYRANTEL IMPURITIES
Pyrantel Impurity C (2‐Thenaldehyde) 98‐03‐3
Product: PYRAZINAMIDE IMPURITIES
Pyrazinamide EP Impurity A 98‐97‐5
Product: PYRIDOSTIGMINE IMPURITIES
Pyridostigmine EP Impurity A/ Pyridostigmine Related Compound A 51581‐32‐9
Pyridostigmine Related Compound B 31034‐86‐3
Product: PYRIDOXINE IMPURITIES
Pyridoxine EP Impurity B
65‐23‐6
58‐56‐0
Pyridoxine Impurity A (Pyridoxine Cyclic Ether)
5196‐20‐3
1006‐21‐9
Pyridoxine Impurity B (4‐Deoxy Pyridoxine)
61‐67‐6
148‐51‐6
Product: QUETIAPINE IMPURITIES
Quetiapine EP Impurity A 844639‐07‐2
Quetiapine EP Impurity B/ Quetiapine Related Compound B (Quetiapine DBTP Metabolite) 111974‐74‐4
Quetiapine EP Impurity C 1798840‐31‐9
Quetiapine EP Impurity D/Quetiapine Bis(dibenzothiazepinyl) piperazine Impurity (Quetiapine Dimer Impurity) 945668‐94‐0
Quetiapine EP Impurity E (Quetiapine bis‐Ether) 1371638‐05‐9
Quetiapine EP Impurity F 848814‐27‐7
Quetiapine EP Impurity G/ Quetiapine Related Compound G (Quetiapine DBTO Metabolite/ Quetiapine Lactam) 3159‐07‐7

32.
Quetiapine EP Impurity H/ Quetiapine Related Compound H (Quetiapine N‐Oxide) 1076199‐40‐0
Quetiapine EP Impurity I/Quetiapine Desethoxy Impurity (Quetiapine Alcohol Impurity/ Quetiapine Ethanol Impurity)
329216‐67‐3
329218‐14‐6
Quetiapine EP Impurity J (Quetiapine tetraethylene glycol analog/ Quetiapine Triether Alcohol/ Quetiapine
Hydroxyethyloxyethyl Ether) 1356906‐17‐6
Quetiapine EP Impurity K 1371638‐10‐6
Quetiapine EP Impurity L (9‐Chloro Quetiapine) 1371638‐11‐7
Quetiapine EP Impurity N (Quetiapine Dipiperazine Diether Impurity) 1800291‐86‐4
Quetiapine EP Impurity O (Quetiapine O‐Trityl Impurity) 844639‐06‐1
Quetiapine EP Impurity P ( Quetiapine N‐Ethyl Impurity) 1011758‐03‐4
Quetiapine EP Impurity Q (Quetiapine quaternary salt)
Quetiapine EP Impurity R (Fumaric Acid Monoethyl Ester) 2459‐05‐4
Quetiapine EP Impurity S (Quetiapine Sulfoxide/ Quetiapine S‐Oxide) 329216‐63‐9
Quetiapine EP Impurity T 5747‐46‐6
Quetiapine EP Impurity U 5786‐26‐5
Quetiapine EP Impurity V 2204369‐14‐0
Quetiapine EP Impurity W 1800608‐95‐0
Quetiapine Sulfone 329216‐65‐1
Quetiapine HEEP Impurity 13349‐82‐1
Quetiapine DBTC Impurity 13745‐86‐3
Quetiapine Ethyl Ether 1011758‐06‐7
Quetiapine DBTO Sulfone 22871‐33‐6
Quetiapine DBTP N‐Methyl Impurity 1977‐09‐9
Quetiapine Diether Alcohol Impurity
329216‐69‐5
1356906‐16‐5
Quetiapine 7‐Hydroxy Impurity 139079‐39‐3
Quetiapine 7‐Hydroxy Sulfoxide 1185170‐04‐0
Quetiapine Carboxylate Impurity 1011758‐00‐1
Quetiapine DBTP 7‐Hydroxy Metabolite 232597‐73‐8
4‐[Dibenzo[b,f][1,4]thiazepin‐11‐yl]‐1[2‐(2‐hydroxyethoxy)ethyl]‐1‐(2‐hydroxyethyl)‐piperazin‐1‐ium

33.
Product: QUINAPRIL IMPURITIES
Quinapril EP Impurity C/ Quinapril Related Compound B (Quinaprilat/ Quinapril Diacid) 82768‐85‐2
Quinapril EP Impurity D/ Quinapril Related Compound A (Quinapril Diketopiperazine) 103733‐49‐9
Quinapril ethyl ester 103733‐35‐3
O‐Desethyl‐O‐isopropyl Quinapril 955034‐25‐0
Product: QUININE IMPURITIES
Quinine EP Impurity B (Cinchonidine)
485‐71‐2
24302‐67‐8
10,11‐Didehydrocinchonidine 157253‐80‐0
Dihydroquinine 522‐66‐7
Product: RABEPRAZOLE IMPURITIES
Rabeprazole EP Impurity A/ Rabeprazole Related Compound D (Rabeprazole Sulfone) 117976‐47‐3
Rabeprazole EP Impurity B/ Rabeprazole Related Compound E (Rabeprazole Sulfide) 117977‐21‐6
Rabeprazole EP Impurity C/ Rabeprazole Related Compound A 1163685‐30‐0
Rabeprazole EP Impurity D/ Rabeprazole Related Compound B (Rabeprazole N‐Oxide) 924663‐38‐7
Rabeprazole EP Impurity E (Rabeprazole 4‐Methoxy Analog) 102804‐77‐3
Rabeprazole EP Impurity F/Rabeprazole Related Compound C (Lansoprazole EP Impurity E) 583‐39‐1
Rabeprazole EP Impurity G (Rabeprazole Sulfide 4‐Methoxy Analog/ 4‐Desmethoxypropoxyl‐4‐Methoxy Rabeprazole
Sulfide) 102804‐82‐0
Rabeprazole EP Impurity H/Rabeprazole Related Compound F (Rabeprazole 4‐Chloro Analog/ Lansoprazole EP Impurity
F) 168167‐42‐8
Rabeprazole EP Impurity I (Rabeprazole Sulfone N‐Oxide) 924663‐37‐6
Rabeprazole EP Impurity K (Lansoprazole EP Impurity D) 615‐16‐7
4‐Desmethoxypropoxyl‐4‐Chloro Rabeprazole Sulfide (Lansoprazole EP Impurity F Sulfide/ Lansoprazole Sulfide 4‐Chloro
Analog) 103312‐62‐5
Rabeprazole 2‐Chloromethyl Impurity 153259‐31‐5

34.
Rabeprazole N‐Alkyl Impurity 935260‐92‐7
Rabeprazole Impurity 6
Rabeprazole S‐Isomer 171440‐19‐0
4‐chloro‐2‐(chloromethyl)‐3‐methylpyridine hydrochloride 152402‐97‐6
Rabeprazole 4‐Chloro Analog Sulfone 1159977‐27‐1
Rabeprazole Carboxylic Acid Impurity 1163685‐31‐1
Rabeprazole N‐Alkyl Sulfide 1114543‐47‐3
Rabeprazole N‐Alkyl Sulfone 1246818‐79‐0
Rabeprazole Sodium R‐Isomer 171440‐18‐9
Rabeprazole Sulfide N‐Oxide 924663‐40‐1
Rabeprazole Sulfonic Acid Impurity 40828‐54‐4
Product: RALOXIFENE IMPURITIES
Raloxifene EP Impurity C (Raloxifene N‐Oxide) 195454‐31‐0
Raloxifene Dimethoxy Impurity/ Raloxifene Bismethyl Ether 84541‐38‐8
2‐(4‐Hydroxyphenyl)benzothiophene‐6‐ol 63676‐22‐2
2‐(4‐Hydroxyphenyl)benzo[b]thiophen‐6‐ol Bimesylate 84449‐65‐0
1‐(2‐Chloroethyl)piperidine 2008‐75‐5
2‐(4‐Methoxyphenyl)benzo[b]thiophen‐6‐ol 225648‐21‐5
4‐(6‐Methoxybenzo[[]b]thiophen‐2‐yl)phenol 175460‐94‐3
Raloxifene Dimesylate
84541‐30‐0
84449‐85‐4
Raloxifene Benzoic Acid Impurity 84449‐80‐9
Product: RALTEGRAVIR IMPURITIES
Raltegravir EP Impurity G
Product: RAMIPRIL IMPURITIES
Ramipril EP Impurity A/ Ramipril Related Compund A (Ramipril Methyl Ester Analog) 108313‐11‐7
Ramipril EP Impurity B/ Ramipril Related Compund B (Ramipril Isopropyl Ester) 295328‐72‐2
Ramipril EP Impurity C/ Ramipril Related Compund C (Cyclohexyl Ramipril Analog) 99742‐35‐5
Ramipril EP Impurity D/ Ramipril Related Compund D (Ramipril Diketopiperazine) 108731‐95‐9

35.
Ramipri
Ramipri
Ramipri
Ramipri
Ramipri
Ramipri
Ramipri
Product
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Ranitidi
Product
Ranolaz
Ranolaz
Ranolaz
Ranolaz
Ranolaz
il EP Impurity E
il EP Impurity F
il EP Impurity G
il EP Impurity K
il EP Impurity N
il EP Impurity O
il Bicyclic Acid (
t: RANITIDINE
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
ine EP Impurity
t: RANOLAZIN
zine Related Com
zine Related Com
zine Related Com
zine Related Com
zine Dimer Impu
E (Ramipril Diac
F (Enalapril EP I
G
K (Ramipril Dik
N (Ramipril (S,S
O
(Perindopril EP
E IMPURITIES
y A/ Ranitidine
y B/ Ranitidine
y C/ Ranitidine
y D (Ranitidine c
y E (Ranitidine N
y F
y G (Nizatidine E
y H
y I
y J
y K
E IMPURITIES
mpound A
mpound B (Des
mpound C
mpound D (Ran
urity
cid/ Ramiprilat
Impurity B/ Tra
etopiperazine A
S‐R,R,R)‐Isomer
P Impurity A)
Related Compu
Related Compu
Related Compu
complex nitroa
N‐Oxide)
EP Impurity K)
smethoxy Ranol
nolazine Amide
t)
andolapril ECPP
Acid/ Ramiprila
r)
und B (Ranitidin
und A (Ranitidin
und C (Ranitidin
acetamide)
lazine)
Dimer )
PA Impurity)
at Diketopipera
ne Dimer)
ne Aminoethyl I
ne S‐Oxide)
azine/ Ramipril
Impurity)
Diacid Dione)
87
82
10
10
12
15
80
72
66
73
11
73
81
15
11
14
72
20
13
61
22
75
52
38
33
7269‐97‐4
2717‐96‐2
08‐88‐3
08736‐10‐3
29939‐63‐5
51387‐05‐2
0875‐98‐5
2126‐78‐4
6356‐53‐4
3851‐70‐4
17846‐02‐3
3857‐20‐2
1074‐81‐9
5433‐79‐1
12233‐23‐5
48639‐72‐9
2078‐82‐1
07592‐21‐0
331637‐48‐9
1832‐41‐5
210‐74‐4
55711‐09‐2
294‐61‐1
80204‐72‐8
33749‐57‐8

36.
Ranolazine Bis‐N‐Oxide 1246816‐00‐1
Ranolazine N‐oxide
Glycidyl 4‐Methoxyphenyl Ether 2211‐94‐1
2‐[(3‐methoxyphenoxy)methyl]oxirane 2210‐75‐5
Meta‐Ranolazine 1393717‐46‐8
Para‐Ranolazine 1393717‐45‐7
1‐chloro‐3‐(2‐methoxyphenoxy)propan‐2‐ol 25772‐81‐0
Ranolazine N‐Desacetamido Impurity 162712‐35‐8
N‐(2,6‐Dimethylphenyl)‐2,2‐dichloroacetamide 39084‐88‐3
1,3‐Bis‐{4‐[2,6‐dimethylphenyl‐aminocarbonyl methyl]piperazine‐1‐yl}‐propan‐2‐ol 1213269‐66‐9
Ranolazine O‐Desmethyl Impurity 172430‐45‐4
Product: RASAGILINE IMPURITIES
1‐Amino Indane 34698‐41‐4
Indan‐1‐ol 6351‐10‐6
3‐Amino‐1‐Indanone 117291‐44‐8
N‐2‐Propynyl Rasagiline 1458609‐07‐8
N‐(2‐Chloroallyl) aminoindan 1179031‐47‐0
(R)‐3‐(prop‐2‐yn‐1‐ylamino)‐2,3‐dihydro‐1H‐inden‐1‐one 1312077‐05‐6
Product: REBAMIPIDE IMPURITIES
2‐Amino‐3‐(1,2‐dihydro‐2‐oxoquinoline‐4‐yl)propionic Acid
4876‐14‐6
5162‐90‐3
Rebamipide 3‐Chloro Impurity 90098‐05‐8
Product: REGORAFENIB IMPURITIES
Methyl (4‐chloro‐3‐trifluoromethylphenyl)carbamate 19448‐54‐5
Product: REPAGLINIDE IMPURITIES
Repaglinide EP Impurity A 220438‐80‐2
Repaglinide EP Impurity B/ Repaglinide Related Compound B 99469‐99‐5
Repaglinide EP Impurity C/ Repaglinide Related Compound A
147769‐93‐5
219921‐94‐5
Repaglinide EP Impurity D/ Repaglinide Related Compound C (Repaglinide Ethyl Ester) 147770‐06‐7

37.
Repaglinide EP Impurity E/ Repaglinide Related Compound E (Repaglinide R‐Isomer) 147852‐26‐4
Repaglinide R‐Isomer Ethyl Ester 147770‐08‐9
Repaglinide Impurity 1 1403782‐38‐6
Repaglinide Methyl Ester Impurity 503834‐19‐3
2‐Desisopropyl‐2‐phenyl Repaglinide (Repaglinide Benzyl Impurity) 107362‐12‐9
Product: RETIGABINE IMPURITIES
Retigabine 4‐nitro‐2‐amino cabamate 1026685‐07‐3
Product: RIFABUTIN IMPURITIES
Rifabutin EP Impurity E (25‐O‐Deacetyl Rifabutin/ 16‐Deacetylrifabutin) 100324‐63‐8
Product: RIFAMPICIN IMPURITIES
3‐(Isonicotinoylhydrazonomethyl) Rifamycin 13292‐53‐0
Rifampicin 25‐Desacetyl Impurity 16783‐99‐6
Product: RILPIVIRINE IMPURITIES
Rilpivirine Chloro Impurity 244768‐32‐9
(E)‐3‐(4‐amino‐3,5‐dimethylphenyl)acrylonitrile 500292‐94‐4
Rilpivirine N‐Oxide
Product: RILUZOLE IMPURITIES
Riluzole Related Compound A 461‐82‐5
5‐(Trifluoromethoxy) benzo(d)Thiazol‐2‐amine 60388‐38‐7
Riluzole 4‐Trifluoromethoxy Isomer 235101‐36‐7
Riluzole Dibromo Impurity 88149‐49‐9
Product: RISEDRONATE IMPURITIES
Risedronate EP Impurity B/ Risedronate Related Compound A 105462‐23‐5
Risedronate EP Impurity D (Lioxone)
501‐81‐5
6419‐36‐9
Product: RISPERIDONE IMPURITIES
Risperidone EP Impurity A (Risperidone E‐Oxime Impurity) 691007‐09‐7
Risperidone EP Impurity B (Risperidone Z‐Oxime Impurity) 132961‐05‐8
Risperidone EP Impurity C (9‐Hydroxy Risperidone/ Paliperidone) 144598‐75‐4
Risperidone EP Impurity D (Risperidone 5‐Fluoro Isomer) 1199589‐74‐6

38.
Risperidone EP Impurity E (6‐Methyl Risperidone/ 2,6‐Dimethyl Risperidone) 1346602‐28‐5
Risperidone EP Impurity F (Risperidone Carboxylate Impurity) 1346603‐86‐8
Risperidone EP Impurity H (Risperidone Difluoroketone) 158697‐67‐7
Risperidone EP Impurity I 1329796‐66‐8
Risperidone EP Impurity J 1346606‐24‐3
Risperidone EP Impurity K (Desfluoro Risperidone) 106266‐09‐5
Risperidone EP Impurity L (Risperidone Chloroethyl Impurity) 63234‐80‐0
Risperidone EP Impurity M (Paliperidone Related Compund B/ Paliperidone Amine Impurity) 84163‐13‐3
Risperidone Related Compound G (Risperidone 2‐Hydroxybenzoyl Impurity) 152542‐00‐2
7‐Hydroxy Risperidone 147663‐04‐5
Risperidone N‐Oxide 832747‐55‐4
Risperidone Quaternary Salt
Bicyclo Risperidone 2231638‐02‐9
Risperidone Cis N‐Oxide 1894509‐66‐0
Risperidone Trans N‐Oxide 1200448‐51‐6
6,7,8,9‐Dehydro 9‐Hydroxy Risperidone (Paliperidone Tetradehydro Impurity/ 6,7,8,9‐Dehydro Paliperidone) 170359‐61‐2
Risperidone Pyrimidinone‐N‐oxide 1301724‐91‐3
6‐Desfluoro‐6‐hydroxy Risperidone 106266‐11‐9
6‐Desfluoro‐6‐methoxy Risperidone 1246817‐15‐1
9‐Keto Risperidone/ 9‐Oxo Risperidone (Paliperidone 9‐Keto Impurity) 1189516‐65‐1
2,4‐Difluorophenyl)(piperidin‐4‐yl)methanone oxime hydrochloride 135634‐18‐3
Risperidone 4‐Hydroxybenzoyl Impurity 1391053‐32‐9
Risperidone Acetylpiperidine Impurity
Risperidone Desfluoro 2‐Hydroxybenzoyl Impurity
Risperidone Difluoro Acetyl Impurity 84162‐82‐3
Risperidone Difluorobenzoyl Impurity 106266‐04‐0
Risperidone Ethyl Impurity 70381‐58‐7
Risperidone Hydroxyethyl Impurity 66698‐27‐9
Risperidone Piperidine Impurity

39.
Product: RITONAVIR IMPURITIES
Ritonavir EP Impurity B/ N‐Deacylvaline Ritonavir
765875‐58‐9
165315‐97‐9
Ritonavir EP Impurity C/ Acetamido‐Alcohol Ritonavir 1010808‐43‐1
Ritonavir EP Impurity D 144142‐33‐6
Ritonavir EP Impurity E/ Hydroxy Ritonavir 176655‐56‐4
Ritonavir EP Impurity F/ Hydantoin Amino Alcohol Ritonavir 1010809‐61‐6
Ritonavir EP Impurity I/ Ritonavir Ethyl Analog (2‐Desisopropyl 2‐Ethyl Ritonavir) 165315‐26‐4
Ritonavir EP Impurity J/ Ritonavir BOC‐Aminoalcohol 162849‐95‐8
Ritonavir EP Impurity K/ Ritonavir Isobutoxycarbonyl Aminoalcohol 1010809‐39‐8
Ritonavir EP Impurity L/ Oxazolidinone Ritonavir (Desthiazolylmethyl Ritonavir) 256328‐82‐2
Ritonavir EP Impurity N/ Ritonavir 4‐Hydroxy Isomer 202816‐62‐4
Product: RIVAROXABAN IMPURITIES
Rivaroxaban EP Impurity D (Rivaroxaban Urea Dimer) 1365267‐35‐1
Rivaroxaban Impurity A/ Rivaroxaban Open‐Ring Acid Impurity
931204‐39‐6
931117‐61‐2
Rivaroxaban Impurity B/ Rivaroxaban Aminomethyl Base Impurity 446292‐10‐0
Rivaroxaban Impurity C/ Rivaroxaban CTCA Impurity 24065‐33‐6
Rivaroxaban Impurity D/ Rivaroxaban Deschloro Impurity 1415566‐28‐7
Rivaroxaban Impurity E/ Rivaroxaban CMTCA Impurity 97799‐98‐9
Rivaroxaban Impurity F/ Rivaroxaban N‐Methylphthalimide Impurity 550‐44‐7
Rivaroxaban Impurity G/ Rivaroxaban Descarbonyl Impurity 721401‐53‐2
Rivaroxaban Impurity H/ Rivaroxaban Acetamide Impurity 1429334‐00‐8
Rivaroxaban Formamide Impurity 1616563‐62‐2
Rivaroxaban Phthalimido Impurity 446292‐08‐6
Rivaroxaban Impurity 52 446292‐04‐2
4‐(4‐Aminophenyl)‐3‐morpholinone 438056‐69‐0
2‐(Oxiran‐2‐ylmethyl)‐1H‐isoindole‐1,3(2H)‐dione 5455‐98‐1
Rivaroxaban Phthalimido Descarbonyl Impurity 446292‐07‐5
Rivaroxaban Methyl ester impurity

40.
Rivaroxaban Dioxazolidine Impurity
Rivaroxaban oxo amide impurity
Rivaroxaban Diamide
Rivaroxaban R‐Isomer (ent‐Rivaroxaban) 865479‐71‐6
Rivaroxaban amine dimer
(S)‐2‐(oxiran‐2‐ylmethyl)isoindoline‐1,3‐dione 161596‐47‐0
Rivaroxaban Aminomethyl Impurity 898543‐06‐1
(R)‐N‐Glycidylphthalimide 181140‐34‐1
2,3‐dihydrophthalazine‐1,4‐dione 1445‐69‐8
Rivaroxaban Diol 1160170‐00‐2
Rivaroxaban Phthalamide Dimer 1365267‐36‐2
3‐Chloro‐N‐[[(5S)‐2‐oxo‐3‐[4‐(3‐oxo‐4‐morpholinyl)phenyl]‐5‐oxazolidinyl]methyl]‐2‐thiophenecarboxamide 1855920‐54‐5
(R)‐4‐(4‐((3‐chloro‐2‐hydroxypropyl)amino)phenyl)morpholin‐3‐one 1252018‐10‐2
N,N’‐Dimethylphthalamide 19532‐98‐0
2,2'‐[[[4‐(3‐Oxo‐4‐morpholinyl)phenyl]imino]bis[(2R)‐2‐hydroxy‐3,1‐propanediyl]]bis[1H‐isoindole‐1,3(2H)‐dione] 1643354‐27‐1
Product: RIVASTIGMINE IMPURITIES
Rivastigmine EP Impurity A/ Rivastigmine Related Compound C (Rivastigmine Phenol Impurity) 139306‐10‐8
Rivastigmine EP Impurity B/ Rivastigmine Related Compound B (N‐Desethyl N‐Methyl Rivastigmine)
25081‐93‐0
1230021‐28‐9
105601‐13‐6
Rivastigmine EP Impurity C/ Rivastigmine Related Compound D 855300‐09‐3
Rivastigmine EP Impurity D (Rivastigmine R‐Isomer) 415973‐05‐6
Rivastigmine EP Impurity E 923035‐05‐6
Rivastigmine Related Compound F 1346602‐84‐3
Rivastigmine Desmethyl Impurity(Rivastigmine Impurity 3) 948051‐93‐2
Rivastigmine Desmethyl Impurity(Rivastigmine Impurity 2) 1070660‐34‐2
Rivastigmine Benzyl Impurity 1111083‐50‐1
Rivastigmine N‐Oxide 1369779‐37‐2
Rivastigmine p‐Hydroxy Impurity 1390639‐31‐2

41.
Rivastigmine o‐Hydroxy Impurity
Rivastigmine p‐Keto Impurity 1390639‐30‐1
Rivastigmine o‐Keto Impurity 2020035‐51‐0
1‐(3‐Aminophenyl)ethanol 2454‐37‐7
1‐(3‐Nitrophenyl)ethanol 5400‐78‐2
Rivastigmine Diethyl Analog 1230021‐34‐7
Rivastigmine Dihydroxy Phenyl Ether Impurity 893750‐82‐8
Rivastigmine DiKeto Phenyl Ether Impurity 94751‐95‐8
3‐((Dimethylamino)methyl)‐N,N‐dimethylaniline 179676‐15‐4
3‐(Dimethylamino)‐N,N‐dimethylbenzeneethanamine 106274‐78‐6
Rivastigmine Chloro Impurity 1390639‐33‐4
Rivastigmine Urea Impurity 31468‐19‐6
Rivastigmine Phenyl Mesylate
Ortho Isomer Of Rivastigmine
Para Isomer Of Rivastigmine
1,1'‐(oxybis(3,1‐phenylene))bis(N,N‐dimthylethanamine)/ Rivastigmine Diaryl Ether Impurity
3‐(1‐Hydroxyethyl)phenyl ethyl(methyl)carbamate 1222073‐98‐4
Rivastigmine Carbamate Impurity 1346242‐31‐6
3‐(1‐dimethylaminoethyl)phenol 105601‐04‐5
N‐Ethyl‐N‐methylcarbamoyl Chloride 42252‐34‐6
Product: RIZATRIPTAN IMPURITIES
Rizatriptan EP Impurity A
887001‐08‐3
1016900‐25‐6
Rizatriptan EP Impurity C (Iso Rizatriptan) 208941‐96‐2
Rizatriptan EP Impurity D
Rizatriptan EP Impurity F 160194‐39‐8
Rizatriptan EP Impurity G 1000673‐59‐5
Rizatriptan EP Impurity H (Rizatriptan N‐Oxide) 260435‐42‐5
Rizatriptan EP Impurity I (N‐Desmethyl Rizatriptan) 144034‐84‐4
Rizatriptan Hydrazone Impurity (Rizatriptan Impurity 1) 212248‐62‐9

42.
3‐Chloro‐1‐(N,N‐dimethyl)propylamine 5407‐04‐5
Product: ROCURONIUM IMPURITIES
Rocuronium EP Impurity C (17‐Desacetyl Rocuronium) 119302‐86‐2
Rocuronium EP Impurity F 1190105‐66‐8
4‐Amino‐3,5‐dichloropyridine N‐oxide 91872‐02‐5
Product: ROPINIROLE IMPURITIES
Ropinirole EP Impurity A/ Ropinirole Related Compound B (3‐Oxo Ropinirole)
221264‐21‐7
102842‐51‐3
Ropinirole EP Impurity B 249622‐60‐4
Ropinirole EP Impurity C/ Ropinirole Propylidene Impurity
221264‐43‐3
145570‐92‐9
Ropinirole EP Impurity D/ Ropinirole N‐Despropyl Impurity
106916‐16‐9
173990‐76‐6
Ropinirole EP Impurity E (3‐Methylene Ropinirole)
Ropinirole EP Impurity F/ Ropinirole Related Compound A 139122‐19‐3
Ropinirole EP Impurity H (3‐Hydroxyimino Ropinirole)
N‐Hydroxy Ropinirole Impurity
954117‐22‐7
1542267‐72‐0
Ropinirole N‐Oxide 1076199‐41‐1
Ropinirole Open Ring Amino Impurity 920755‐10‐8
Ropinirole N‐Ethyl Impurity 1797132‐03‐6
N‐(2‐methyl‐3‐nitrophenethyl)‐N‐propylpropan‐1‐amine 91374‐23‐1
ethyl 3‐(2‐(2‐(dipropylamino)ethyl)‐6‐nitrophenyl)‐2‐oxopropanoate 91374‐24‐2
Ropinirole Open Ring Nitro Impurity 91374‐25‐3
4‐Vinylindolin‐2‐one 120427‐93‐2
Ropinirole Methylene Dimer 1800102‐50‐4
4‐[2‐[[(4‐Methylphenyl)sulfonyl]oxy]ethyl]‐1,3‐dihydroindol‐2‐one 139122‐20‐6
Ropinirole Cyclopentanylindone Impurity 1368745‐05‐4
Ropinirole N‐Hydroxymethyl Impurity 1027600‐42‐5
Product: ROPIVACAINE IMPURITIES

43.
Ropivacaine EP Impurity H/ Ropivacaine Related Compound A (Lidocaine EP Impurity A/ Lidocaine Related Compound A/
Bupivacaine EP Impurity F/ Mepivacaine EP Impurity A)
87‐62‐7
21436‐98‐6
Ropivacaine N‐Oxide 1391053‐59‐0
Product: ROSIGLITAZONE IMPURITIES
Rosiglitazone Impurity A 1797979‐55‐5
5‐[4‐[2‐((Methyl)pyridin‐2‐ylamino)ethoxy]benzylidene]thiazolidine‐2,4‐dione 122320‐74‐5
Product: ROSUVASTATIN IMPURITIES
Rosuvastatin EP Impurity A/ Rosuvastatin Related Compound A
1715120‐13‐0
1714147‐50‐8
Rosuvastatin EP Impurity B 1094100‐06‐7
Rosuvastatin EP Impurity C (5‐Oxo Rosuvastatin/ 3‐Hydroxy‐5‐Keto Rosuvastatin)
1422619‐13‐3
1620823‐61‐1
Rosuvastatin EP Impurity D (Rosuvastatin (3R,5S)‐Lactone) 503610‐43‐3
Rosuvastatin EP Impurity F (Rosuvastatin Acetonide t‐Butyl Ester) 289042‐12‐2
Rosuvastatin EP Impurity G/ Rosuvastatin Related Compund D (Rosuvastatin Calcium Enantiomer/ enti‐Rosuvastatin/
Rosuvastatin (3S,5R)‐Isomer) 1242184‐42‐4
Rosuvastatin EP Impurity G t‐Butyl Ester (Rosuvastatin (3S,5R)‐Isomer t‐Butyl Ester) 615263‐60‐0
Rosuvastatin 6,7‐Dihydro Impurity
1347797‐73‐2
1347362‐67‐7
2,3‐Anhydro Rosuvastatin Calcium Salt/ Rosuvastatin 2,6‐Diene Impurity 1422954‐12‐8
Rosuvastatin 3‐Oxo Acid Ethyl Ester 901765‐36‐4
Rosuvastatin 4,6‐Diene Impurity/ 4,5‐Anhydro Rosuvastatin 1346606‐44‐7
Rosuvastatin (6R)‐Lactone Impurity 854898‐46‐7
Rosuvastatin (6S)‐Lactone Impurity 854898‐47‐8
3‐Oxo Rosuvastatin
1346747‐49‐6
1346606‐28‐7
Rosuvastatin N‐Desmethyl Impurity 371775‐74‐5
Rosuvastatin (6S)‐Isomer 854898‐53‐6
Rosuvastatin Methyl Ester 147118‐40‐9

44.
Product: ROXITHROMYCIN IMPURITIES
Roxithromycin EP Impurity A (Erythromycin A) 114‐07‐8
Roxithromycin EP Impurity B (Dicladinosyl Roxithomycin) 214902‐82‐6
Roxithromycin EP Impurity C (Erythromycin Oxime/ Azithromycin Impurity S/ 9‐Erythromycin A Oxime/ Clarithromycin
EP Impurity J) 13127‐18‐9
Roxithromycin EP Impurity D ((Z)‐Roxithromycin/ Erythromycin 9‐(Z)‐[O‐[(2‐Methoxyethoxy)methyl]‐oxime]) 134931-00-3
Roxithromycin EP Impurity F (N‐Demethyl Roxithromycin) 118267‐18‐8
Product: RUFINAMIDE IMPURITIES
Rufinamide Related Compound B (Rufinamide Methyl Ester Analog) 217448‐86‐7
Rufinamide acid impurity 166196‐11‐8
Product: RUPATADINE IMPURITIES
Rupatadine impurity B 100643‐71‐8
Rupatadine Impurity F 102074‐19‐1
Product: SACUBITRIL IMPURITIES
Sacubitril N‐Boc Ester 149709‐60‐4
Sacubitril Amine Acid 1038924‐71‐8
Sacubitril (3R,5S)‐Pyrrolidinone Impurity 1038924‐70‐7
Diacid of Sacubitril/ Sacubitril Desethyl Impurity/ Sacubitrilat 149709‐44‐4
Sacubitril 2,5‐Dioxopyrrolidine 1038924‐97‐8
Sacubitril Maleic acid
Sacubitril Methyl ester
(2R,4S)‐methyl 5‐([1,1'‐biphenyl]‐4‐yl)‐4‐amino‐2‐methylpentanoate hydrochloride 1933501‐50‐8
(2R,4S)‐4‐Amino‐5‐(biphenyl‐4‐yl)‐2‐methylpentanoic Acid Ethyl Ester Hydrochloride 149690‐12‐0
(2R,4S)‐ethyl 5‐([1,1‐biphenyl]‐4‐yl)‐4‐acetamido‐2‐methylpentanoate
(2R,4S)‐5‐(Biphenyl‐4‐yl)‐4‐[(tert‐butoxycarbonyl)amino]‐2‐methylpentanoic Acid 1012341‐50‐2
Product: SAFINAMIDE IMPURITIES
(S)‐2‐[[3‐(3‐Fluorobenzyl)‐4‐[(3‐fluorobenzyl)oxy]benzyl]amino]propanamide 1000370‐27‐3
3‐(3‐Fluorobenzyl)‐4‐[(3‐fluorobenzyl)oxy]benzaldehyde 1000370‐24‐0
4‐[(3‐Fluorobenzyl)oxy]benzoic Acid 405‐85‐6

45.
Product: SALBUTAMOL IMPURITIES
Salbutamol EP Impurity A (Salbutamol Methyl Ether/ Levalbuterol Related Compound H) 870076‐72‐5
Salbutamol EP Impurity B (Salbutamol Deshydroxymethyl Impurity/ t‐Butylnorsynephrine) 96948‐64‐0
Salbutamol EP Impurity C (2‐Deshydroxy Salbutamol/ Albuterol Related Compound A/ Levalbuterol Related Compound
B) 18910‐68‐4
Salbutamol EP Impurity D (Salbutamol Aldehyde Impurity/ Levalbuterol Related Compound D) 156339‐88‐7
Salbutamol EP Impurity E (N‐Benzyl Albuterol) 24085‐03‐8
Salbutamol EP Impurity F (Salbutamol Dimer Ether/ Albuterol Related Compound E) 147663‐30‐7
Salbutamol EP Impurity G (N‐Benzyl Salbutamone)
64092‐10‐0
24085‐08‐3
Salbutamol EP Impurity H (Salbutamol Dideshydroxy Impurity) 132183‐64‐3
Salbutamol EP Impurity I (4‐Benzyl Albuterol) 56796‐66‐8
Salbutamol EP Impurity J (Albuterol Related Compound B)
156547‐62‐5
41489‐89‐8
Salbutamol EP Impurity K 898542‐80‐8
Salbutamol EP Impurity L 898542‐81‐9
Salbutamol EP Impurity M 18910‐70‐8
Salbutamol EP Impurity N (Albuterol Dimer) 149222‐15‐1
Salbutamol Ethyl Ether (Albuterol Related Compound F) 1221742‐55‐7
Salbutamol Diethyl Ether 1221726‐71‐1
Salbutamol Glyoxal Impurity 72189‐44‐7
5‐Hydroxy Salbutamol 182676‐90‐0
(±)‐4‐O‐Ethyl Albuterol
(±)‐4‐O‐Ethyl Salbutamol
Methyl 5‐acetyl‐2‐hydroxybenzoate 16475‐90‐4
Methyl 5‐acetyl‐2‐ethoxybenzoate 39971‐36‐3
Methyl 5‐(2‐bromoacetyl)‐2‐ethoxybenzoate 24085‐34‐5
Product: SALMETEROL IMPURITIES
Salmeterol EP Impurity A/ Salmeterol Related Compound A 1798014‐51‐3
Salmeterol EP Impurity B/ Salmeterol Phenylethoxy Impurity 94749‐02‐7

46.
Salmeterol EP Impurity C/ Salmeterol Phenylpropoxy Impurity 94749‐11‐8
Salmeterol EP Impurity D/ Salmeterol O‐Alkyl Impurity 1391052‐04‐2
Salmeterol EP Impurity E/ Salmeterol Related Compound B 108928‐81‐0
Salmeterol EP Impurity F/ Salmeterol Deoxy Impurity 1391054‐40‐2
Salmeterol EP Impurity G/ Salmeterol N‐Alkyl Impurity (Salmeterol Dimer Impurity) 1391051‐88‐9
Salmeterol Related Compound H (Salmeterol Xinafoate Adduct Impurity) 1330076‐52‐2
[6‐(4‐Phenylbutoxy)hexyl]benzylamine 97664‐55‐6
N‐benzyl‐4‐phenylbutan‐1‐amine 129951‐06‐0
Methyl 5‐acetyl‐2‐(phenylmethoxy)benzoate 27475‐09‐8
2‐benzyloxy‐5‐bromoacetylbenzoic acid 27475‐14‐5
Product: SAXAGLIPTIN IMPURITIES
Saxagliptin intermediate 6 361442‐01‐5
N‐BOC Saxagliptin 709031‐43‐6
Saxagliptin TFA salt 361442‐05‐9
Saxagliptin IMP 1194836‐75‐3
Saxagliptin IMP 1642872‐40‐9
Ethoxy Saxagliptin Impurity
Desamino Saxagliptin Impurity
Formyl amide Saxagliptin
Keto amide Boc Saxagliptin
Keto Saxagliptin TFA salt
Keto BOC Saxagliptin
N,N‐di BOC amide Saxagliptin
Azabicyclo BOC acid impurity 197142‐36‐2
Azabicyclo ethoxy impurity
Saxagliptin acid impurity
Coupled azabicyclo BOC impurity
1‐Adamantanecarboxylic acid 828‐51‐3
3‐hydroxy‐ α‐oxoadamantane‐1‐acetic acid 709031‐28‐7
(S)‐Boc‐adamantylglycine 361441‐97‐6

47.
Boc‐3,5‐dihydroxy‐1‐adamantyl‐L‐glycine 681282‐72‐4
(1S,3S,5S)‐2‐Boc‐2‐azabicyclo[3.1.0]hexane‐3‐carboxylic Acid 197142‐36‐2
tert‐Butyl (1R,3S,5R)‐3‐Carbamoyl‐2‐azabicyclo[3.1.0]hexane‐2‐carboxylate 1445592‐86‐8
tert‐Butyl (1R,3R,5R)‐3‐Carbamoyl‐2‐azabicyclo[3.1.0]hexane‐2‐carboxylate 1564266‐54‐1
tert‐Butyl (1S,3R,5S)‐3‐Carbamoyl‐2‐azabicyclo[3.1.0]hexane‐2‐carboxylate 1564266‐79‐0
Boc‐3‐hydroxy‐1‐adamantyl‐L‐glycine 1334321‐39‐9
Saxagliptin Imine Impurity 1350800‐76‐8
Boc‐3‐Hydroxy‐1‐Adamantyl‐D‐Glycine 361442‐00‐4
(1S,3S,5S)‐2‐azabicyclo[3.1.0]hexane‐3‐carboxamide methane sulfonic acid 709031‐45‐8
Saxagliptin 3‐Deoxy Impurity 361441‐98‐7
3‐Descarbonitrile 3‐Acetamido Saxagliptin 1496712‐39‐0
Product: SERTRALINE IMPURITIES
Sertraline EP Impurity A/ Salmeterol Related Compound A (rac‐trans‐Sertraline)
79836‐45‐6
79617‐99‐5
Sertraline EP Impurity B/ 3,4‐Dideschloro Sertraline (Sertraline Phenyl Impurity )
91797‐61‐4
52758‐05‐1
Sertraline EP Impurity C (rac‐cis‐3‐Dechloro Sertraline )
107538‐91‐0
79559‐98‐1
Sertraline EP Impurity D (Sertraline 3‐Chlorophenyl Analog/ 4‐Deschloro Sertraline) 871838‐58‐3
Sertraline EP Impurity E ((R)‐(‐)‐Mandelic Acid/ D‐Mandelic Acid) 611‐71‐2
Sertraline EP Impurity F/ Sertralone (Sertraline Tetralone (R)‐Isomer) 155748‐61‐1
Sertraline EP Impurity G (Sertraline (1R,4R)‐cis‐Isomer)
79617‐95‐1
79617‐89‐3
2,3‐Isosertraline (Sertraline 2,3‐Dichloro Isomer) 1198084‐29‐5
Sertraline 2,3‐Dichloro Tetralone Methanamine Racemate 340830‐05‐9
Sertraline 2,3‐Dichloro Tetralone Racemate 152448‐80‐1
Product: SIBUTRAMINE IMPURITIES
Didesmethyl Sibutramine 84467‐54‐9
Desmethyl Sibutramine 168835‐59‐4
Product: SILDENAFIL IMPURITIES

48.
Sildenafil EP Impurity B (Sildenafil N‐Oxide) 1094598‐75‐0
Sildenafil EP Impurity C (O‐Desethyl Sildenafil) 139755‐91‐2
Sildenafil EP Impurity D (Sildenafil Desmethylpiperazinyl Sulfonic Acid) 1357931‐55‐5
Sildenafil EP Impurity E (1H‐ Imidazole) 5587‐42‐8
Sildenafil EP Impurity F (Sildenafil N‐Desmethyl Metabolite) 139755‐82‐1
Sildenafil Lactam Impurity 139756‐21‐1
Isobutylpyrazolopyrimidine Impurity 1346600‐82‐5
Sildenafil Chlorosulfone Impurity 139756‐22‐2
Sildenafil Amino Amide Impurity 139756‐02‐8
2‐Ethoxybenzoyl Chloride Impurity 42926‐52‐3
Sildenafil Impurity 1 501120‐38‐3
Thiosildenafil 479073‐79‐5
Isobutyl Sildenafil 1391053‐95‐4
Product: SILODOSIN IMPURITIES
Silodosin Dehydro Impurity 175870‐21‐0
Silodosin Dimer Impurity 1453221‐45‐8
Silodosin Nitrile Impurity 885340‐13‐6
Silodosin (S)‐Isomer 2182279‐45‐2
Benzyl amine Silodosin
Silodosin Nitro Impurity 350797‐56‐7
2‐[2‐(2,2,2‐Trifluoroethoxy)phenoxy]ethyl Methanesulfonate 160969‐03‐9
Product: SIMVASTATIN IMPURITIES
Simvasatin EP Impurity A/ Simvasatin Related Compound A (Simvastatin Sodium/ Tenivastatin Sodium) 101314‐97‐0
Simvastatin EP Impurity B/ Simvastatin Related Compound B (Simvastatin Acetate Ester) 145576‐25‐6
Simvastatin EP Impurity C/ Simvastatin Related Compound C (2,3‐Anhydro Simvastatin/ Dehydro Simvastatin) 210980‐68‐0
Simvasatin EP Impurity D/ Simvasatin Related Compound D (Simvastatin Dimer) 476305‐24‐5

49.
Simvastatin EP Impurity E/ Simvastatin Related Compound E (Lovastatin/ Desmethyl Simvastatin) 75330‐75‐5
Simvastatin EP Impurity F/ Simvastatin Related Compound F (epi‐Lovastatin/ Lovastatin epimer) 79952‐44‐6
Simvastatin EP Impurity G/ Simvastatin Related Compound G (Simvastatin‐3‐en/ Methylene simvastatin) 1449248‐72‐9
Simvastatin EP Impurity H (Simvastatin Lactone Diol/ Lovastatin Lactone Diol) 79952‐42‐4
Simvastatin Acid Ammonium Salt (Simvastatin Ammonium) 139893‐43‐9
Simvastatin Acid Methyl Ester 145576‐26‐7
Product: SITAGLIPTIN IMPURITIES
Sitagliptin EP Impurity A (Sitagliptin (S)‐Isomer)
823817‐55‐6
823817‐58‐9
Sitagliptin EP Impurity B (4‐Desfluoro Sitagliptin)
486460‐31‐5
1345822‐87‐8
Sitagliptin EP Impurity C (5‐Desfluoro Sitagliptin) 1345822‐86‐7
Sitagliptin FP Impurity A/ Sitagliptin Fumarate Adduct/ Sitagliptin Maleate Adduct 2088771‐60‐0
Sitagliptin FP Impurity B/ Sitagliptin Triazecine Analog 2088771‐61‐1
Sitagliptin FP Impurity E/ Sitagliptin Acid
1204818‐19‐8
936630‐57‐8
Sitagliptin Styrylacetyl Analog (Sitagliptin FP Impurity C/ 3‐Desamino‐3,4‐Dehydro Sitagliptin) 1803026‐58‐5
Sitagliptin Phenylcrotonyl Analog (Sitagliptin FP Impurity D/ 3‐Desamino‐2,3‐Dehydro Sitagliptin) 1253056‐18‐6
Sitagliptin N‐BOC Carboxylic acid 486460‐00‐8
Sitagliptin Triazole Hydrochloride
486460‐21‐3
762240‐92‐6
Sitagliptin N‐BOC Impurity 486460‐23‐5
Sitagliptin Ketoamide Impurity (Sitagliptin dioxo impurity) 764667‐65‐4
Sitagliptin Enamine Impurity 767340‐03‐4
5‐[1‐Hydroxy‐2‐(2,4,5‐trifluorophenyl)ethylidene]‐2,2‐dimethyl‐1,3‐dioxane‐4,6‐dione 764667‐64‐3
3‐(Trifluoromethyl)‐6,7‐dihydro‐[1,2,4]triazolo[4,3‐a]pyrazin‐8(5H)‐one 877402‐45‐4
2,4,5‐Trifluorobenzaldehyde 165047‐24‐5
2,4,5‐Trifluorobenzeneacetic Acid 209995‐38‐0
Product: SOFOSBUVIR IMPURITIES

50.
N‐[(S)‐(2,3,4,5,6‐pentafluorophenoxy)phenoxyphosphinyl]‐L‐alanine 1‐Methylethyl ester 1334513‐02‐8
(2R)‐2‐Deoxy‐2‐fluoro‐2‐methyl‐D‐erythropentonic acid gamma‐lactone 3,5‐dibenzoate 874638‐80‐9
2'‐deoxy‐2'‐fluoro‐2'‐C‐methyluridine 863329‐66‐2
Sofosbuvir Methylarabinosyl Impurity 114262‐49‐6
Product: SOLIFENACIN IMPURITIES
Solifenacin EP Impurity A (Isoquinoline) 118864‐75‐8
Solifenacin EP Impurity C (Solifenacin (S,S)‐Methanone Impurity) 1534326‐81‐2
Solifenacin EP Impurity E (Solifenacin (R)‐Hydroxyquinuclidine Impurity/ 3‐Quinuclidinol) 25333‐42‐0
Solifenacin EP Impurity F (Solifenacin RS Isomer) 180468‐40‐0
Solifenacin EP Impurity G (Solifenacin RR Isomer)
740780‐79‐4
862207‐70‐3
Solifenacin EP Impurity H (Solifenacin SS Isomer) 180468‐38‐6
Solifenacin EP Impurity I (Solifenacin N‐Oxide) 180272‐28‐0
Solifenacin Acid Ethyl Ester 180468‐42‐2
N‐phenyl benzamide impurity 3278‐14‐6
1‐Phenyl 3,4 dihydroisoquinoline 52250‐50‐7
Solifenacin Nitrophenyl Ester Impurity 1229227‐22‐8
Product: SORAFENIB IMPURITIES
Sorafenib Impurity E (N,N‐Bis[4‐[2‐(N‐Methylcarbamoyl)‐4‐pyridyloxy]phenyl]urea) 284670‐98‐0
Sorafenib Impurity C (methyl 4‐(4‐(3‐(4‐((2‐(methylcarbamoyl)pyridin‐4‐yl)oxy)phenyl)ureido)phenoxy)picolinate) 2204442‐52‐2
Sorafenib Carboxylic Acid Impurity 1012058‐78‐4
4‐(4‐Aminophenoxy)picolinic Acid 1012058‐77‐3
Deschloro Sorafenib 1285533‐84‐7
4‐[4‐(Formylamino)phenoxy]‐N‐methyl‐2‐pyridinecarboxamide 2004659‐84‐9
Sorafenib Aminophenoxy Impurity 284462‐37‐9
Sorafenib 2‐Chloro Analog/ 4‐Deschloro 2‐Chloro Sorafenib 1431697‐81‐2
isopropyl (4‐((2‐(methylcarbamoyl)pyridin‐4‐yl)oxy)phenyl)carbamate 2206827‐14‐5