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

Catalogue Number	SIL-003
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	139755-95-6
Mol. Formula	C₂₁H₂₈N₆O₄S
Molecular Wt	460.55
Long Term Storage Condition	-20°C Freezer	Handling instruction	Sample COA
Chemical Name	Pyrazole N-Demethyl Sildenafil
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

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