Sildenafil > EP Standards > 1

Structure Compound Pricing
Sildenafil impurity A (Y0001579)
CS-EG-00647 > EP Standards

Molecular Formula : C23H32N6O4S   Molecular Weight: 488.60   CAS Number: 1391053-95-4
Synonyms : Sildenafil Impurity A; Sildenafil USP RC A; Sildenafil Isobutyl Analog; 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one
Parent API : Sildenafil
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