What Is Tapentadol? He Pentam is mostly a chemical with the chemical formula C14H23NO. He sprays PHENOL, 3- [3- (DIMETHYLAMINO) -1-ETHYL-2-METHYLPROPYL]-, [R- (R *, R *)]-; BN200; CG5503; TAPENTADOL; IN OTHER LANGUAGES English Čeština Dansk Deutsch Svenska Français Italiano Nederlands Norsk Polski Português Español 日本語 한국어