Sildenafil

139755-83-2

5-[2-ethoxy-5- (4-methylpiperazin-1-yl) sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one

Revatio; UK-92480; Viagra

0.992

≥22.65 mg/mL in H2O; insoluble in EtOH; ≥46.3 mg/mL in DMSO with ultrasonic

CCCC1=NN (C2=C1NC (=NC2=O) C3=C (C=CC (=C3) S (=O) (=O) N4CCN (CC4) C) OCC) C

C22H30N6O4S

474.58

Blue Ice

Store at -20°C

A solid