Sildenafil, sold as Viagra and other trade names, is a medication used to treat erectile dysfunctionandpulmonary arterial hypertension. Its effectiveness for treating sexual dysfunction in women has not been demonstrated.
Sildenafil relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body.
Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men.
Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.
Chemical name: Sildenafil (Viagra) (Steroids)
CAS: 139755-83-2
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 crystalline powder, odorless, bitter astringent taste, insoluble in water and ethanol.
1. Treating high blood pressure in the lungs (pulmonary arterial hypertension [PAH]). It may also be used for other conditions as determined by your doctor.
2. Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing and dilating the blood vessels in the lungs. This lowers the blood pressure in the lungs and helps to improve your ability to exercise.



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