Tadalafil, Usage : Used to Treat Erection Problems

Name: tadalafil ( cialis )
synonyms: calais
cas registry number: 171596-29-5
molecular formula: c22h23n3o3
molecular weight: 377.44
density: 1.4gcm3
boiling point: 569.9°c at 760 mmhg
flash point: 298.5°c
melting point: 298-300°c
the steam pressure: 5.29e-13mmhg at 25°c
appearance: white or off white crystalline powder
tadalafil is pde5 inhibitor marketed in pill form for treating erectile dysfunction (ed) under the name cialis, and under the name adcirca for the treatment of pulmonary arterial hypertension. In october 2011 the u.s. Food and drug administration (fda) approved cialis for treating the signs and symptoms of benign prostatic hyperplasia (bph) as well as a combination of bph and erectile dysfunction (ed) when the conditions coincide. It initially was developed by the biotechnology company icos, and then again developed and marketed world-wide by lilly icos, llc, the joint venture of icos corporation and eli lilly and company. Cialis tablets, in 2.5 mg, 5 mg, 10 mg, and 20 mg doses, are yellow, film-coated, and almond-shaped. The approved dose for pulmonary arterial hypertension is 40 mg (two 20-mg tablets) once daily.