W-19-d4 (hydrochloride) is an analytical reference material intended for use as an internal standard for the quantification of W-19 by GC- or LC-MS. W-19 is categorized as an analgesic.1 It is a nitro-reduction metabolite of W-18 . This product is intended for research and forensic applications.
1.Knaus, E.E., Warren, B.K., and Ondrus, T.A.Analgesic substituted piperidylidene-2-sulfon(cyan)amide derivatives399,994(1984)
















