PRODUCT NAME: Lamivudine EP Impurity G
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LAV-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	160552-55-6
Alternate CAS Number	(3R)-isomer: 160552-54-5
Mol. Formula	C₈H₁₁N₃O₄S
Molecular Wt	245.26
Synonyms	Lamivudine (S)-S-Oxide; 4-Amino-1-[(2R,3S,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; [2R-(2α,3α,5α)]-4-Amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone S-Oxide; 1,3-Oxathiolane, 2(1H)-pyrimidinone Deriv.; [2R-(2α,3α,5α)]-4-Amino-1-[2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; GI 138868X; Lamivudine EP Impurity G
Long Term Storage Condition	Hygroscopic, -20°C Freezer, Under inert atmosphere
Handling instruction	Sample COA

Test	Results
Appearance	White Solid
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	DMSO (Slightly), Methanol (Slightly), Water (Slightly)
Purity	NLT 98%
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption