estradiol dicypionate estradiol dicypionate estradiol dicypionate (edc), also known as estradiol 3,17β-dicypionate, is an estrogen ester which was never marketed. it is the c3 and c17β cypionate (cyclopentylpropionate) diester of estradiol. estradiol dicypionateclinical dataother namesedc; estradiol 3,17β-dicypionate; estradiol dicipionate; estradiol dicyclopentylpropionate; estradiol dicyclopentanepropionate; estra-1,3,5(10)-triene-3,17β-diol 3,17β-di(cyclopentanepropionate)identifiers iupac name phenanthren-17-yl] 3-cyclopentylpropanoate cas number633-36-3 ypubchem cid101811chemspider91987uniiev7sh765lscomptox dashboard (epa)dtxsid80979386 chemical and physical dataformulac34h48o4molar mass520.754 g·mol−13d model (jsmol)interactive image smiles c12cc3(1cc2oc(=o)ccc4cccc4)ccc5=c3c=cc(=c5)oc(=o)ccc6cccc6 inchi inchi=1s/c34h48o4/c1-34-21-20-28-27-15-13-26(37-32(35)18-10-23-6-2-3-7-23)22-25(27)12-14-29(28)30(34)16-17-31(34)38-33(36)19-11-24-8-4-5-9-24/h13,15,22-24,28-31h,2-12,14,16-21h2,1h3/t28-,29-,30+,31+,34+/m1/s1key:pvdlddbzcwvzbx-ftwouwfxsa-n