PRODUCT NAME: Metformin EP Impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	MEF-007
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	2959-04-8
Alternate CAS Number	3553-49-9(Nitrate Salt);4405-08-7(Freebase)
Mol. Formula	C4H9ClN8
Molecular Wt	204.62
IUPAC	2-(4,6-diamino-1,3,5-triazin-2-yl)guanidine;hydrochloride
Synonyms	Guanylmelamine Hydrochloride;1-(4,6-Diamino-1,3,5-triazin-2-yl)guanidine Hydrochloride; (4,6-Diamino-1,3,5-triazin-2-yl)guanidine Hydrochloride;
Long Term Storage Condition	2-8°C Refrigerator
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	NA
Purity	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