Alfentanil
Products Alfentanil is commercially available as a solution for injection (Rapifen). It has been approved in many countries since 1983. Structure and properties Alfentanil (C21H32N6O3, Mr = 416.5 g/mol) is a 4-anilidopiperidine and a tetrazole derivative. It is present in the drug as alfentanil hydrochloride, a white powder that is readily soluble in water. The … Alfentanil
