climazolam climazolam climazolam (ro21-3982) was introduced under licence as a veterinary medicine by the swiss pharmaceutical company gräub under the tradename climasol. climazolam is a benzodiazepine, specifically an imidazobenzodiazepine derivative developed by hoffman-laroche. it is similar in structure to midazolam and diclazepam and is used in veterinary medicine for anesthetizing animals. climazolamclinical datatrade namesclimasolahfs/drugs.cominternational drug namesatcvet codeqn05cd90 (who) legal statuslegal status ca: schedule iv identifiers iupac name 8-chloro-6-(2-chlorophenyl)-1-methyl-4h-imidazobenzodiazepine cas number59467-77-5pubchem cid68790chemspider62030uniio9kzb9hg1ykeggd07714chemblchembl2104070comptox dashboard (epa)dtxsid30208173 chemical and physical dataformulac18h13cl2n3molar mass342.22 g·mol−13d model (jsmol)interactive image smiles clc1=cc=cc=c1c2=ncc3=cn=c(c)n3c4=c2c=c(c=c4)cl