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

Catalogue Number	MEF-008
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1674-62-0
Mol. Formula	C₃H₁₀ClN₅
Molecular Wt	151.6
IUPAC	1-(diaminomethylidene)-2-methylguanidine;hydrochloride
Synonyms	Imidodicarbonimidic diamide, N-methyl-, monohydrochloride;1-Methylbiguanide Hydrochloride
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White to Off-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 (Sparingly, Heated), Methanol (Slightly, Heated)
Purity	NLT 95% BY HPLC
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