orestrate orestrate orestrate (inn), also known as estradiol 3-propionate 17β-(1-cyclohexenyl) ether, is an estrogen medication and estrogen ester which was never marketed. it is the c3 propionate ester and c17β-(1-cyclohexenyl) ether of estradiol. orestrateclinical dataother namesestradiol 3-propionate 17β-(1-cyclohexenyl) ether; 17β-(cyclohexen-1-yloxy)-estra-1,3,5(10)-trien-3-ol propionatedrug classestrogen; estrogen esteridentifiers iupac name phenanthren-3-yl] propanoate cas number13885-31-9pubchem cid20055348chemspider16736660uniig9vc23w7w0comptox dashboard (epa)dtxsid80930230 chemical and physical dataformulac27h36o3molar mass408.582 g·mol−13d model (jsmol)interactive image smiles ccc(=o)oc1=cc2=c(c=c1)c3ccc4(c(c3cc2)ccc4oc5=ccccc5)c inchi inchi=1s/c27h36o3/c1-3-26(28)30-20-10-12-21-18(17-20)9-11-23-22(21)15-16-27(2)24(23)13-14-25(27)29-19-7-5-4-6-8-19/h7,10,12,17,22-25h,3-6,8-9,11,13-16h2,1-2h3/t22-,23-,24+,25+,27+/m1/s1key:vyaxjsivavevhf-ryifmdqwsa-n