PRODUCT NAME: Valsartan Desvaleryl Nitroso Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	NIO-772
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	N/A
Mol. Formula	C19H20N6O3
Molecular Wt	380.40 g/mol
IUPAC	((2`-(2-Nitroso-2H-tetrazol-5-yl)-[1,1`-biphenyl]-4-yl)methyl)-L-valine
Synonyms	(S)-3-methyl-2-(((2`-(2-nitroso-2H-tetrazol-5-yl)-[1,1`-biphenyl]-4-yl)methyl)amino)butanoic acid
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	White To Pale Yellow 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	soluble in organic solvents, specifically methanol, acetonitrile
Purity	NLT 97%
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