Sildenafil citrate

CAS: 171599-83-0 

Assay: 99% min. USP32

Packing: 1kg/foil bag, 5kg/drum.

Delivery: Express courier.

MF: C28H38N6O11S 

MW: 666.7 

Character: White Solid. mp 187-189°C 

Usage: An orally active selective type 5 cGMP phosphodiesterase inhibitor. pharmaceutical material

Biological Activity: Orally active, potent inhibitor of phosphodiesterase 5 (PDE5) (IC 50 = 4 nM). Enhances nitric oxide-dependent relaxation of human corpus cavernosum in vitro .