zofenoprilat zofenoprilat zofenoprilat is an angiotensin-converting enzyme inhibitor, and is the free sulfhydryl active metabolite of zofenopril. zofenoprilat names iupac name (4s)-n--4-(phenylsulfanyl)-l-proline systematic iupac name (2s,4s)-1--4-(phenylsulfanyl)pyrrolidine-2-carboxylic acid identifiers cas number 75176-37-3 3d model (jsmol) interactive image chebi chebi:82602 chembl chembl16332 chemspider 24540938 drugbank db08766 pubchem cid 3034048 unii 4g4wdk2ybs comptox dashboard (epa) dtxsid50231443 inchi inchi=1s/c15h19no3s2/c1-10(9-20)14(17)16-8-12(7-13(16)15(18)19)21-11-5-3-2-4-6-11/h2-6,10,12-13,20h,7-9h2,1h3,(h,18,19)/t10-,12-,13-/m0/s1key: uqwlowfdkafkap-drzsphrisa-ninchi=1/c15h19no3s2/c1-10(9-20)14(17)16-8-12(7-13(16)15(18)19)21-11-5-3-2-4-6-11/h2-6,10,12-13,20h,7-9h2,1h3,(h,18,19)/t10-,12-,13-/m0/s1key: uqwlowfdkafkap-drzsphribv smiles c(cs)c(=o)n1c(c1c(o)=o)sc1=cc=cc=c1 properties chemical formula c15h19no3s2 molar mass 325.44 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references