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Sildenafil Impurity A

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CAS Number: 1391053-95-4
Molecular Formula: C23H32N6O4S
Molecular Weight: 488.60 g/mol

CAS Number	1391053-95-4
Alternate CAS#	NA
Molecular Formula	C23H32N6O4S
Molecular Weight	488.60 g/mol
IUPAC Chemical Name	5-(2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-3-isobutyl-1-methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Synonyms	7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-; Sildenafil Citrate Imp. A (EP); Sildenafil USP Related Compound A
USP Name	Sildenafil USP Related Compound A
EP Name	Sildenafil Citrate Imp. A (EP)
Appearance Specifications	White to off-white solid
Storage Condition	Hygroscopic, Refrigerator, under inert atmosphere, protect from light
Material Type	Primary Standard
Melting Point	145 °C

Subtotal	$0.00
Total	$0.00

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