delmadinone delmadinone delmadinone (inn) is a steroidal progestin which was never marketed. an acylated derivative, delmadinone acetate, is used in veterinary medicine. delmadinoneclinical dataatcvet codeqg03dx91 (who) identifiers iupac name 6-chloro-17-hydroxypregna-1,4,6-triene-3,20-dione cas number15262-77-8pubchem cid10428639chemspider8604067uniiwff40u3u3ocomptox dashboard (epa)dtxsid60165088 echa infocard100.035.717 chemical and physical dataformulac21h25clo3molar mass360.88 g·mol−13d model (jsmol)interactive image smiles o=c\1\c=c/4(c(=c/1)c(\cl)=c/24cc3((o)(c(=o)c)cc23)c)c inchi inchi=1s/c21h25clo3/c1-12(23)21(25)9-6-16-14-11-18(22)17-10-13(24)4-7-19(17,2)15(14)5-8-20(16,21)3/h4,7,10-11,14-16,25h,5-6,8-9h2,1-3h3/t14-,15+,16+,19-,20+,21+/m1/s1key:zsamzeylguevjw-ttylfxkosa-n while delmadinone is sometimes used as a synonym for delmadinone acetate, it usually refers to delmadinone acetate, not delmadinone.