Chemical Formula: C20H21NO4.ClH

Chemical Formula C20H21NO4.ClH

Found 1 metabolite its formula value is C20H21NO4.ClH

Vasal

Papaverine hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material

C20H21NO4.ClH (375.1237)


Papaverine hydrochloride is a white powder. pH (0.05 molar solution) 3.9. pH (2\\% aqueous solution) 3.3. (NTP, 1992) An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels. See also: Papaverine (has active moiety).