butaclamol butaclamol butaclamol (ay-23,028) is a typical antipsychotic which was never marketed. sold as the hydrochloride salt for use in research, the compound acts as a dopamine receptor antagonist. butaclamolclinical dataatc codenoneidentifiers iupac name (3s,4as,13bs)-3-(2-methyl-2-propanyl)-2,3,4,4a,8,9,13b,14-octahydro-1h-benzocycloheptapyridoisoquinolin-3-ol cas number36504-93-5pubchem cid37459iuphar/bps62chemspider34364uniia7a2802vnlchebichebi:73298 ychemblchembl479587 ycomptox dashboard (epa)dtxsid5048429 chemical and physical dataformulac25h31nomolar mass361.529 g·mol−13d model (jsmol)interactive image smiles cc(c)(c)c1(ccn2cc3c4=cc=cc=c4ccc5=c3c(=cc=c5)c2c1)o chemistry pka = 7.15 (uncorrected for ionic strength)