Wuhan Hezhong Bio-Chemical Manufature Co.,Ltd

Sildenafil (Viagra) (Steroids) CAS: 139755-83-2 Assay: 99% min. Molecular formula: C22H30N6O4S Molecular weight: 474.58 Molecular Structure Packing: 1kg net/foil bag, 5kg/drum. Delivery: Express courier. Character: White or almost white crystalline powder, odorless, bitter astringent taste, insoluble in water and ethanol. Usage: As a cyclic guanosine monophosphate (cGMP) specific phosphodiesterase type 5 (PDE5) selective inhibitor, penile smooth muscle relaxation allows rapid erection. Sildenafil is cheap, is the development and production of low-cost classes available kidney yang-like the perfect material for medicine and health products. pharmaceutical material. Categories: Active Pharmaceutical Ingredients; Miscellaneous Biochemicals; Sildenafil; Erectile Dysfunction. Applications: Sildenafil citrate, sold as Viagra, Revatio and under various other trade names, is a drug used to treat erectile dysfunction and pulmonary arterial hypertension (PAH). It was originally discovered by Pfizer scientists Andrew Bell, David Brown, and Nicholas Terrett.It acts by inhibiting cGMP-specific phosphodiesterase type 5 (PDE5), an enzyme that promotes degradation of cGMP, which regulates blood flow in the penis. Since becoming available in 1998, sildenafil has been the prime treatment for erectile dysfunction; its primary competitors on the market are tadalafil (Cialis) and vardenafil (Levitra).