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CAS: 171599-83-0
Molecular Formula:C28H38N6O11S
Molecular Weight: 666.7
Appearance:White Solid powder
Application:
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).
tadalafil's pharmacologic distinction is its longer half-life (17.50 hours) - compared to sildenafil (4.0-5.0 hours) and vardenafil (4.0-5.0 hours) - resulting in longer duration of action, and so partly responsible for "The Weekend Pill" sobriquet. Furthermore, the longer half-life is the basis for current investigation of tadalafil's daily therapeutic use in relieving pulmonary arterial hypertension. Sildenafil is approved in several world regions as a thrice-daily therapy for pulmonary arterial hypertension.
Sildenafil citrate 50 mg is the recommended starting dose for men with erectile dysfunction (ED); however, most men are later titrated to sildenafil 100 mg for improved efficacy.
How does Sildenafil Citrate work?
This medication is known as a phosphodiesterase (PDE5) inhibitor. In combination with sexual stimulation, it helps the male organ fill with enough blood to cause an erection. The sexual arousal is absolutely necessary for the medication to show its positive effects. once sex is over, the erection will go away.
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