Nomenclature of drugs

2. • Implies assigning proper names
to a particular compound so that
its study, marketing or use may
become systematic.
• Chemical Name
• Non-proprietary Name
• Proprietary Name

3. Chemical Name
• A name given to a drug in
accordance with rules of
chemical nomenclature
established by naming
conventions like International
Union of Pure and Applied
Chemistry (IUPAC) or Chemical
Abstracts Service (CAS).

4. • It is useful for the chemists,
scientists or technical personnel
• It provides the precise
arrangement of atoms and
atomic groups e.g.
• N-(4-hydroxyphenyl) acetamide

5. • Short name given to a drug that
is not subject to proprietary
rights.
• Easy to speak and spell. It
replaces the long chemical
names of drugs.
• Also called generic name
• E.g. paracetamol

6. • Brand, Trade or registered
names.
• Given to a drug by the
pharmaceutical firm which sells
the drug.
• A single drug may be sold
under many proprietary names
by different firms.

7. • Even a single pharmaceutical
firm may give different
proprietary names to a single
drug having different
formulations.
• Clinicians usually prescribe drugs
by their proprietary names.
• E.g. Panadol

8. • A code designated name
• Code name is provided by the
pharmaceutical manufacturer
before the drug is placed in the
market.
• It maintains the secrecy during
drug development and pre-
marketing investigational
stages.