Lamivudine C8h11n3o3s Boiling Point: 475.4a 55.0a (Predicted)

Appearance: White or off-white crystalline powder; Solubility: Soluble in water, sparingly soluble in methanol; Identification(IR): The infrared absorption spectrum of the sample should be concordant with the standard spectrum; Identification(HPLC): The retention time of the major peak in the chromatogram of the Test solution should correspond to that in the chromatogram of the System suitability solution as obtained in the test for Limit of Lamivudine Enantiomer; Water by KF: Not more than 0.2%; Melting Range: 174 179; Specific Optical Rotation: -97 -99; Residue on Ignition: Not more than 0.1%; Heavy Metals: Not more than 20 ppm; Colour of the solution: The absorbance should not exceed 0.3; Related Substances(Impurity ): Not more than 0.3%; Related Substances(Impurity ): Not more than 0.2%; Related Substances(Impurity ): Not more than 0.1%; Related Substances(Salicylic Acid): Not more than 0.1%; Related Substances(Any other individual impurity): Not more than 0.1%; Related Substances(Total impurities): Not more than 0.6%; Enantiomer: Not more than 0.3%; Assay: Between 98.0% and 102.0% on the anhydrous and solvent-free basis