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

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

Test	Results
Appearance	White To Pale Yellow Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 97%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	soluble in organic solvents, specifically methanol, acetonitrile
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption