flualprazolam flualprazolam flualprazolam is a tranquilizer of the triazolobenzodiazepine (tbzd) class, which are benzodiazepines (bzds) fused with a triazole ring. it was first synthesised in 1976, but was never marketed. it can be seen as the triazolo version of fludiazepam. it has subsequently been sold as a designer drug, first being definitively identified as such in sweden in 2018. it can be described as the 2'-fluoro derivative of alprazolam or the fluoro instead of chloro analogue of triazolam, and has similar sedative and anxiolytic effects. flualprazolamlegal statuslegal status ca: schedule iv de: anlage ii (authorized trade only, not prescriptible) uk: under psychoactive substances act us: the dea has announced intent to place flualprazolam under control in schedule i un: psychotropic schedule iv illegal in sweden identifiers iupac name 8-chloro-6-(2-fluorophenyl)-1-methyl-4h-benzo triazolo diazepine cas number28910-91-0pubchem cid10359044chemspider8534493uniifwf5l8d2bechemical and physical dataformulac17h12clfn4molar mass326.76 g·mol−13d model (jsmol)interactive image smiles cc1=nn=c2n1c3=c(c=c(c=c3)cl)c(=nc2)c4=cc=cc=c4f inchi inchi=1s/c17h12clfn4/c1-10-21-22-16-9-20-17(12-4-2-3-5-14(12)19)13-8-11(18)6-7-15(13)23(10)16/h2-8h,9h2,1h3key:mpzvljcmgpywqq-uhfffaoysa-n legal status flualprazolam is banned in sweden, also is illegal in the uk. in december 2019, the world health organization recommended flualprazolam for international scheduling as a schedule iv medication under the convention on psychotropic substances. in the united states, oregon and virginia have placed flualprazolam into schedule i. on december 2022 the dea announced it will be placing flualprazolam under temporary schedule i status for 2 years starting on january 23rd, 2023. unless the dea submits to extend or place into permanent schedule i status this order will expire on january 23rd, 2025.