CERTIFICATE OF ANALYSIS

PRODUCT NAME: Metformin EP Impurity A
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number MEF-002
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 461-58-5
Mol. Formula C₂H₄N₄
Molecular Wt 84.08
Synonyms N-Cyanoguanidine; 1-Cyanoguanidine; 2-Cyanoguanidine; CGNA; Dicyandiamide; Dicyanodiamide; Didin; Epicure DICY; Metformin Related Compound A USP; Metformin EP Impurity A; Metformin USP Related Compound A1 - Cyanoguanidine
Long Term Storage Condition 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 (Slightly), Methanol (Slightly, Sonicated)
Purity NLT 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
This is Sample COA