PRODUCT NAME: Vardenafil Carboxylic Acid Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	VAR-002
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	358390-39-3
Mol. Formula	C₁₈H₂₀N₄O₄
Molecular Wt	356.38
Long Term Storage Condition	Refrigerator	Handling instruction	Sample COA
Chemical Name	Vardenafil Carboxylic Acid Impurity
Synonyms	3-(1,4-Dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzoic Acid;

Test	Results
Appearance	Pale Yellow to Light Brown Solid
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	DMSO
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