chlorbenzoxamine chlorbenzoxamine chlorbenzoxamine is a drug used for functional gastrointestinal disorders. chlorbenzoxamineclinical dataatc codea03ax03 (who) identifiers iupac name 1-(2-ethyl)-4-(2-methylbenzyl)piperazine cas number522-18-9pubchem cid71636chemspider64700uniin52918slynkeggd07093chemblchembl2110781echa infocard100.007.568 chemical and physical dataformulac27h31cln2omolar mass435.01 g·mol−13d model (jsmol)interactive image smiles clc1ccccc1c(occn2ccn(cc2)cc3ccccc3c)c4ccccc4 synthesis chlorbenzoxamine synthesis.