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

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

Test	Results
Appearance	White to Off-White Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 95% BY HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	DMSO (Sparingly, Heated), Methanol (Slightly, Heated)
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption