PRODUCT NAME: Valsartan R-isomer Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	VAS-011
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	137862-87-4
Mol. Formula	C₂₄H₂₉N₅O₃
Molecular Wt	435.52
Synonyms	N-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-D-valine; CGP 49309; (R)-N-Valeryl-N-([2’-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl)-valine; USP Valsartan Related Compound A
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)
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