acaprazine acaprazine acaprazine (inn) is an anxiolytic and "adrenolytic" drug of the phenylpiperazine group that was never marketed. acaprazineclinical dataroutes ofadministrationoralatc codenonelegal statuslegal status in general: uncontrolled identifiers iupac name n-propyl]acetamide cas number55485-20-6 ypubchem cid176864chemspider154038 yuniif2s6z4sb8tchemblchembl2104046comptox dashboard (epa)dtxsid60204062 chemical and physical dataformulac15h21cl2n3omolar mass330.25 g·mol−13d model (jsmol)interactive image smiles cc(=o)ncccn1ccn(cc1)c2=c(c=cc(=c2)cl)cl inchi inchi=1s/c15h21cl2n3o/c1-12(21)18-5-2-6-19-7-9-20(10-8-19)15-11-13(16)3-4-14(15)17/h3-4,11h,2,5-10h2,1h3,(h,18,21) ykey:sgyvnbuutwssjc-uhfffaoysa-n y (verify)