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

Catalogue Number	MEF-009
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	4405-08-7
Alternate CAS Number	2959-04-8 (HCl salt)
Mol. Formula	C4H8N8
Molecular Wt	168.16
IUPAC	2-(4,6-diamino-1,3,5-triazin-2-yl)guanidine
Synonyms	Guanylmelamine; Monoguanylmelamine; N-(4-Amino-3,6-dihydro-6-imino-1,3,5-triazin-2-yl)-guanidine; (4,6-Diamino-s-triazin-2-yl)-guanidine;(Aminoiminomethyl)-1,3,5-triazine-2,4,6-triamine
Long Term Storage Condition	Store at 2-8°C
Handling instruction	Sample COA

Test	Results
Appearance	White color solid
Identification by 13C NMR	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	DMSO (Slightly, Heated), Water (Slightly)
Purity	99.22% 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