piperacetazine piperacetazine piperacetazine (quide) is an antipsychotic prodrug, most notably used for schizophrenia. it is a phenothiazine derivative. piperacetazineclinical dataahfs/drugs.cominternational drug namesidentifiers iupac name 1-propyl]phenothiazin-2-yl]ethanone cas number3819-00-9 ypubchem cid19675chemspider18533uniikl6248wnw4chebichebi:92293chemblchembl1584 ycomptox dashboard (epa)dtxsid7023481 echa infocard100.021.194 chemical and physical dataformulac24h30n2o2smolar mass410.58 g·mol−13d model (jsmol)interactive image smiles cc(=o)c1ccc2sc3ccccc3n(cccn4ccc(cco)cc4)c2c1 inchi inchi=inchi=1s/c24h30n2o2s/c1-18(28)20-7-8-24-22(17-20)26(21-5-2-3-6-23(21)29-24)13-4-12-25-14-9-19(10-15-25)11-16-27/h2-3,5-8,17,19,27h,4,9-16h2,1h3key:btfmcmveucgqdx-uhfffaoysa-n