CERTIFICATE OF ANALYSIS

PRODUCT NAME: Valsartan EP Impurity B
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number VAS-015
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 137863-20-8
Alternate CAS Number 1894176-48-7
Mol. Formula C₃₁H₃₅N₅O₃
Molecular Wt 525.64
IUPAC benzyl (2S)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoate
Synonyms Valsartan Benzyl Ester;N-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine Phenylmethyl Ester; Valsartan Related Compound C;
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 Chloroform (Slightly), Methanol (Slightly)
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
This is Sample COA