Name of API:Abacavir Sulfate Specifications: IP/USP Cas No:188062-50-2 Molecular Weight: 335.37 Molecular Formula:C14H18N6O • 0.5 H2SO4 Chemical Name:(1S,cis)-4-[2-amino-6- (cyclopropylamino)-9H-purin-l]-2-cyclopentene-1-methanol sulfate Uses: ANti-AIDS Specifications: 1. Name of Product: Abacavir Sulphate USP 2. Appearance:White or off crystalline power 3. Solubility:Soluble in dimethyl formamide,slight soluble in water 4. Water Content: NMT 1.0 % 5. Residue on Ignition: NMT 0.2 % 6. Heavy Metals: NMT 0.002 % 7. Limit of Abacavir Enantiomer : NMT 0.2 % 8. Related Substances: Descyclopropy abacavir: NMT 0.1 % Dihydro abacavir : NMT 0.1 % Abacavir penultimate: NMT 0.1 % O-Pyrimadiny abacavir: NMT 0.15 % Unknown impurities: NMT 0.1 % Total Impurities: NMT 0.5 % 9. Residual Solvents Methanol: NMT 0.5 % Acetone : NMT 0.5 % Ethanol: NMT 0.5 % 10. Content of Sulfate: 13.6% ~ 15.0 % 11 Assay: 98.0 % ~ 102 %