gestadienol acetate gestadienol acetate gestadienol acetate (developmental code name ciba-31458-ba or ciba-31458) an orally active progestin which was described in the literature in 1967 and was never marketed. it has no androgenic or estrogenic effects. the effects of gestadienol acetate on the endometrium and its general pharmacology were studied in a clinical trial in women. it has also been studied in a clinical trial for benign prostatic hyperplasia in men, but was ineffective. gestadienol acetateclinical dataother namesciba-31458-ba; ciba-31458; norhydroxy-δ6-progesterone acetate; 6-dehydro-17α-acetoxy-19-norprogesterone; 17α-acetoxy-19-norpregn-4,6-diene-3,20-dioneroutes ofadministrationby mouthdrug classprogestogen; progestogen esteridentifiers iupac name phenanthren-17-yl] acetate cas number14340-04-6pubchem cid22798397echa infocard100.224.529 chemical and physical dataformulac22h28o4molar mass356.462 g·mol−13d model (jsmol)interactive image smiles cc(=o)1(cc21(cc32c=cc4=cc(=o)cc34)c)oc(=o)c inchi inchi=1s/c22h28o4/c1-13(23)22(26-14(2)24)11-9-20-19-6-4-15-12-16(25)5-7-17(15)18(19)8-10-21(20,22)3/h4,6,12,17-20h,5,7-11h2,1-3h3/t17-,18+,19+,20-,21-,22-/m0/s1key:tufrqqroggmvoc-zcpxkwagsa-n chemistry