Sildenafil citrate
CAS Number: 171599-83-0
Molecular Formula: C22H30N6O4S
Molecular Weight: 502.63
Application: Sildenafil citrate is also a PDE5 inhibitor used primarily for the treatment of erectile dysfunction (ED) and pulmonary arterial hypertension. The drug enhances the effect of nitric oxide in the penis, increasing blood flow.