Product Name: Avanafil CAS:330784-47-9 Assay: 99% min.  Molecular formula: C22H30N6O4S Molecular weight: 474.58 Packing: 1kg net/foil bag, 5kg/drum. Delivery: Express courier. Character: White or almost white crystaler, odorless, bitter astringent taste, insoluble in water and ethanol. Usage: As a cyclic guanosine monoste (cGMP) specific sdiesterase type 5 (PDE5) selective inhibitor, penile smooth muscle relaxation allows rapid erection. Categories: Active rmaceutical Ingredients; Misneous Biochemicals; Erectile Dysfunction.