tolufazepam tolufazepam tolufazepam is a drug that is a benzodiazepine derivative. studies have shown tolufazepam to have anticonvulsant and anxiolytic activity in animal subjects, including convulsions elicited by pentylenetetrazol. tolufazepamidentifiers iupac name 7-chloro-5-(2-chlorophenyl)-1--3h-1,4-benzodiazepin-2-one cas number86273-92-9 ypubchem cid65647chemspider59084 nunii98sr74x50dcomptox dashboard (epa)dtxsid50235466 chemical and physical dataformulac24h20cl2n2o3smolar mass487.40 g·mol−13d model (jsmol)interactive image smiles clc2ccccc2c(=ncc1=o)c3cc(cl)ccc3n1ccs(=o)(=o)c(cc4)ccc4c inchi inchi=1s/c24h20cl2n2o3s/c1-16-6-9-18(10-7-16)32(30,31)13-12-28-22-11-8-17(25)14-20(22)24(27-15-23(28)29)19-4-2-3-5-21(19)26/h2-11,14h,12-13,15h2,1h3 nkey:ffzobtgtwsrrmb-uhfffaoysa-n n ny (what is this?) (verify)