PRODUCT NAME: Vardenafil EP Impurity A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	VAR-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	-
Mol. Formula	C21H28N6O4S
Molecular Wt	460.55
Synonyms	1-[[3-(1,4-Dihydro-4-oxo-5,7-dimethylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-ethyl-piperazine
Long Term Storage Condition	No Data Available
Handling instruction	Sample COA

Test	Results
Appearance	No Data Available
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	No Data Available
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