Product name:Cialis
CAS: 171596-29-5
Molecular Formula: C22H19N3O4
Molecular Weight: 389.41
Product description:Cyclic guanosine phosphate (cGMP) specific phosphodiesterase 5 (PDE5) selective and reversible inhibitor, when sexual stimulation leads to partial release nitric oxide, tadalafil inhibit PDE5, make the penis sponge body cGMP level, resulting in smooth muscle relaxation, blood flow to the penis, produce an erection, such as asexual stimulation.