clobenzepam clobenzepam clobenzepam is an antihistamine and anticholinergic. clobenzepamclinical dataahfs/drugs.cominternational drug namesatc codenoneidentifiers iupac name 2-chloro-5-(2-dimethylaminoethyl)-11h-benzobenzodiazepin-6-one cas number1159-93-9pubchem cid14396chemspider13752unii0o6w0np518chemblchembl2104007comptox dashboard (epa)dtxsid50151218 chemical and physical dataformulac17h18cln3omolar mass315.80 g·mol−13d model (jsmol)interactive image smiles clc3ccc2n(c(=o)c1c(cccc1)nc2c3)ccn(c)c