cloxestradiol acetate cloxestradiol acetate cloxestradiol acetate (brand name genovul), also known as 17-(2,2,2-trichloroethoxy)estradiol o,o-diacetate, is a synthetic steroidal estrogen derived from estradiol. it is the o,o-diacetate ester of cloxestradiol, which, in contrast to cloxestradiol acetate, was never marketed. cloxestradiol acetateclinical datatrade namesgenovulother names17-(2,2,2-trichloroethoxy)estradiol o,o-diacetate; 1--2,2,2-trichloroethyl acetatepregnancycategory x (contraindicated) drug classestrogen; estrogen ester; estrogen etheridentifiers iupac name phenanthren-3-yl] acetate cas number15686-44-9pubchem cid71586995chemspider34989697uniicwu34u962kcomptox dashboard (epa)dtxsid50166145 chemical and physical dataformulac24h29cl3o5molar mass503.84 g·mol−13d model (jsmol)interactive image smiles cc(=o)oc1=cc2=c(c=c1)c3ccc4(c(c3cc2)ccc4oc(c(cl)(cl)cl)oc(=o)c)c inchi inchi=1s/c24h29cl3o5/c1-13(28)30-16-5-7-17-15(12-16)4-6-19-18(17)10-11-23(3)20(19)8-9-21(23)32-22(24(25,26)27)31-14(2)29/h5,7,12,18-22h,4,6,8-11h2,1-3h3/t18-,19-,20+,21+,22?,23+/m1/s1key:uevljprroxdipo-cufsgndssa-n