PRODUCT NAME: Vardenafil Nitroso Impurity 1
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	NIO-075
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	NA
Mol. Formula	C23H31N7O5S
Molecular Wt	517.6
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place	Handling instruction	Sample COA
Chemical Name	Vardenafil Nitroso Impurity 1
Synonyms	2-(2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-1-nitroso-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one

Test	Results
Appearance
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility
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