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