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
Identification by 13C NMR	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