PRODUCT NAME: Valsartan EP Impurity C
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	VAS-021
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	952652-79-8
Mol. Formula	C23H27N5O3
Molecular Wt	421.5 g/mol
IUPAC	[(S-N-Butyryl-N-([2'-(1H-tetrazole-5-yl)biphen-4-yl]methyl)-valine
Synonyms	N-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-N-butyryl-L-valine; Valsartan n-Propyl Impurity; (S)-N-butyryl-N-{[2’-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl}-valine; N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine; N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine; N-Butyryl-N-{[2'-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl}-L-valine; (2S)-2-[butanoyl[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]amino]-3-methylbutanoic acid; N-Butyryl-N-{[2'-(1H-tetrazole-5-yl)biphenyl-4-yl]methyl}-L-valine; Valsartan Impurity B (IP); N-Butyryl-N-{[2'-(1H-tetrazole-5-yl)biphenyl-4-yl]methyl}-L-valine; Valsartan Related Compound B (USP)
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Off White Powder
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
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