CAS Number: 171596-29-5

Molecular Formula: C22H19N3O4

Molecular Weight: 389.43

Application: Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor primarily used to treat erectile dysfunction (ED) in men by enhancing blood flow to the penis through vasodilation. It is also used to treat pulmonary arterial hypertension by relaxing the smooth muscle in the pulmonary arteries, improving blood flow in the lungs.