PRODUCT NAME: Sildenafil Methyl Sulfonate Ester Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	SIL-002
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	2512206-40-3
Mol. Formula	C18H22N4O5S
Molecular Wt	406.46
Long Term Storage Condition	Store at 20°C, protect from direct sunlight and moisture.	Handling instruction	Sample COA
Chemical Name	Sildenafil Methyl Sulfonate Ester Impurity
Synonyms	Methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro- 1H-pyrazolo [4,3-d]pyrimidin-5-yl)benzenesulfonate

Test	Results
Appearance	Free Flow 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