Factory price Tadalafil 99% Powder CAS 171596-29-5

Overview:

Tadalafil (Tadalafil, Tadalafil) has a molecular formula of C22H19N3O4 and a molecular weight of 389.4. It has been widely used in the treatment of male erectile dysfunction since 2003, with the trade name Cialis (Cialis). In 2008, Eli Lilly and Company of the United States sold the commercial development rights of this product for the treatment of PAH to United Therapeutics. In June 2009, the FDA approved tadalafil in the United States for the treatment of patients with pulmonary arterial hypertension (PAH) under the trade name Adcirca. Tadalafil was introduced in 2003 as a drug for the treatment of ED by Chemicalbook. It takes effect 30 minutes after administration, but its best effect is 2 hours after the onset of effect, and the effect can last for 36 hours, and its effect is not affected by food. The dose of tadalafil is 10 or 20 mg, the recommended initial dose is 10 mg, and the dose is adjusted according to the patient's response and adverse reactions. Pre-market studies have shown that after oral administration of 10 or 20 mg of tadalafil for 12 weeks, the effective rates are 67% and 81%, respectively. Many studies have shown that tadalafil has better efficacy in the treatment of ED.