17a-Estradiol Details Estradiol Synonyms: 1,3,5-estratriene-3,17-alpha-diol;1,3,5-Estratriene-3,17alpha-diol;17alpha-Oestradiol;3,17alpha-Dihydroxyestra-1,3,5(10)-triene;3,17-alpha-dihydroxyoestra-1,3,5(10)-triene;3,17alpha-Dihydroxyoestra-1,3,5(10)-triene;5(10)-triene-3,17-diol,(17-alpha)-estra-3;epiestradial Estradiol CAS: 57-91-0 Estradiol MF: C18H24O2 Estradiol MW: 272.38 Estradiol EINECS: 200-023-8 Product Categories: Steroids;Intermediates & Fine Chemicals;Pharmaceuticals