Ethynyl Estradiol

CAS: 57-63-6

Ref. TR-E685100

Product Information

• Name: Ethynyl Estradiol
• Synonyms: (17alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 17-Ethinyl-3,17-estradiol, 17-Ethinylestradiol, 17-Ethynyl-3,17-dihydroxy-1,3,5-oestratriene, 17-Ethynylestra-1,3,5(10)-triene-3,17beta-diol, 17-Ethynylestradiol, 17-Nor-17alpha-pregna-1,3,5-(10)-trien-20-yne-3,17-diol, 17alpha-Ethinyl-1,3,5(10)-estratriene-3,17-diol, 17alpha-Ethinyl-17beta-estradiol, 17alpha-Ethinyl-3,17-dihydroxy-delta1,3,5-estratriene, 17alpha-Ethinylestra-1,3,5(10)-triene-3,17beta-diol, 17alpha-Ethinylestradiol, 17alpha-Ethynylestra-1,3,5(10)-triene-3,17beta-diol, 17alpha-Ethynylestradiol, 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17beta-diol, Amenoron, Chee-O-Gen, Chee-O-Genf, Diogyn E, Dyloform, Esteed, Estigyn, Estinyl, Eston-E, Estoral, Estorals, Ethidol, Ethinoral, Ethinylestradiol, Ethinyloestradiol, Ethynylestradiol, Ethynyloestradiol, Eticyclin, Eticyclol, Etinestrol, Etinestryl, Etinoestryl, Etistradiol, Follicoral, Ginestrene, Inestra, Linoral, Lynoral, Menolyn, Microfollin, NSC 10973, Novestrol, Oradiol, Orestralyn, Palonyl, Perovex, Primogyn, Primogyn C, Primogyn M, Progynon C, Prosexol, Spanestrin, neo-Estrone
• Brand: TRC
• Description: Applications Ethynyl Estradiol, an oral contraceptive (1), is a synthetic steroid with high oral estrogenic potency. Used in estrogen replacement therapy. (2)This compound is a contaminant of emerging concern (CECs). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the packageReferences 1. Koetsawang, S. et al.: Contraception. 1982 March:25(3) p231-2412. Cuttler, L. et al.: J. Endocrinol. Metab. 1985 Jun;60(6):1087-92.

Chemical properties

• Molecular weight: 296.40
• Formula: C₂₀H₂₄O₂
• Color/Form: Off-White
• InChI: InChI=1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1
• SMILES: C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C