alacepril alacepril alacepril (inn) is an ace inhibitor medication indicated as a treatment for hypertension. the medication metabolizes to captopril and desacetylalacepril. alaceprilclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codenonelegal statuslegal status in general: ℞ (prescription only) identifiers iupac name (2s)-2-pyrrolidine-2-carbonyl]amino]-3-phenylpropanoic acid cas number74258-86-9 npubchem cid71992chemspider64993 yuniix39tl7jdpfkeggd01900 ychemblchembl2103775 ncomptox dashboard (epa)dtxsid3048576 chemical and physical dataformulac20h26n2o5smolar mass406.50 g·mol−13d model (jsmol)interactive image smiles c(csc(=o)c)c(=o)n1ccc1c(=o)n(cc2=cc=cc=c2)c(=o)o inchi inchi=1s/c20h26n2o5s/c1-13(12-28-14(2)23)19(25)22-10-6-9-17(22)18(24)21-16(20(26)27)11-15-7-4-3-5-8-15/h3-5,7-8,13,16-17h,6,9-12h2,1-2h3,(h,21,24)(h,26,27)/t13-,16+,17+/m1/s1 ykey:fhhhoyxprdyhez-coxvudfisa-n y ny (what is this?) (verify)