cismadinone acetate cismadinone acetate cismadinone acetate, also known as 6α-chloro-δ1-dehydro-17α-acetoxyprogesterone or as 6α-chloro-17α-acetoxypregna-1,4-diene-3,20-dione, is a steroidal progestin related to the 17α-hydroxyprogesterone derivatives which was never marketed. it is the acetylated form of cismadinone, which is also a progestin but, similarly to cismadinone acetate, was never marketed. not to be confused with chlormadinone acetate. cismadinone acetateclinical dataother names6α-chloro-δ1-dehydro-17α-acetoxyprogesterone; 6α-chloro-1,2-didehydro-17α-acetoxyprogesterone; 6α-chloro-17α-acetoxypregna-1,4-diene-3,20-dionedrug classprogestogen; progestogen esteridentifiers iupac name (1s,2r,8s,10r,11s,14r,15s)-14-acetyl-8-chloro-2,15-dimethyl-5-oxotetracycloheptadeca-3,6-dien-14-yl acetate cas number151-69-9pubchem cid200121chemspider173215unii8ivs3a4y7zcomptox dashboard (epa)dtxsid50934144 chemical and physical dataformulac23h29clo4molar mass404.93 g·mol−13d model (jsmol)interactive image smiles cc(=o)c1(ccc2c1(ccc3c2cc(c4=cc(=o)c=cc34c)cl)c)oc(=o)c inchi inchi=1s/c23h29clo4/c1-13(25)23(28-14(2)26)10-7-18-16-12-20(24)19-11-15(27)5-8-21(19,3)17(16)6-9-22(18,23)4/h5,8,11,16-18,20h,6-7,9-10,12h2,1-4h3/t16-,17+,18+,20+,21-,22+,23+/m1/s1key:aqdntkztmcwyda-wxliaargsa-n