amadinone acetate amadinone acetate amadinone acetate (usan) (developmental code name rs-2208), also known as 19-norchlormadinone acetate, is a steroidal progestin of the 19-norprogesterone and 17α-hydroxyprogesterone groups that was never marketed. it is the acetate ester of amadinone, which, similarly, was never marketed. amadinone acetateclinical dataother namesrs-2208; 19-norchlormadinone acetate; 6-chloro-17α-acetoxy-19-norpregna-4,6-diene-3,20-dionedrug classprogestogen; progestogen esteridentifiers iupac name phenanthren-17-yl] acetate cas number22304-34-3pubchem cid9977739chemspider8153331unii3e13526fybkeggd02881chemblchembl2104011comptox dashboard (epa)dtxsid90176849 chemical and physical dataformulac22h27clo4molar mass390.90 g·mol−13d model (jsmol)interactive image smiles cc(=o)1(cc21(cc32c=c(c4=cc(=o)cc34)cl)c)oc(=o)c inchi inchi=1s/c22h27clo4/c1-12(24)22(27-13(2)25)9-7-19-17-11-20(23)18-10-14(26)4-5-15(18)16(17)6-8-21(19,22)3/h10-11,15-17,19h,4-9h2,1-3h3/t15-,16-,17-,19+,21+,22+/m1/s1key:psjmydlewuwian-kypkcdlesa-n