PRODUCT NAME: Pyrazole N-Demethyl Sildenafil
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	SIL-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	139755-95-6
Mol. Formula	C₂₁H₂₈N₆O₄S
Molecular Wt	460.55
Synonyms	1-[[3-(4,7-Dihydroxy-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl-piperazine; Desmethylsildenafil
Long Term Storage Condition	-20°C Freezer
Handling instruction	Sample COA

Test	Results
Appearance	White to Off-White Solid
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	DMF, DMSO (Slightly), Methanol (Slightly)
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