17alpha-Ethynyloestradiol-17beta; 17beta-Estradiol, 17-ethynyl-, CAS Number: 77538-56-8

Synonyms: 17a-Ethynylestradiol, (17-alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17,diol, 17 alpha-ethinyestradiol, 17-alpha-Ethinyl-17-beta-estradiol, 17.alpha.-Ethinyl-17.beta.-estradiol, 17-alpha-Ethinyl-3,17-dihydroxy-delta(sup 1,3,5)-estratriene, 17.alpha.-Ethinyl-3,17-dihydroxy-.delta.(sup1,3,5)-estratriene, 17alpha-Ethinyl-3,17-dihydroxy-delta(sup1,3,5)-estratriene, 17.alpha.-ethinyl-3,17-dihydroxy-.delta.(sup1,3,5)oestratriene, 17alpha-ethinyl-3,17-dihydroxy-delta(sup1,3,5)oestratriene, 17.alpha.-ethinyl-.delta.(sup1,3,5(10))oestratriene-3,17-.beta.-diol, 17alpha-ethinyl-delta(sup1,3,5(10))oestratriene-3,17-beta -diol, 17-alpha-Ethinyl-delta(sup 1,3,5(10))oestratriene-3,17-beta-diol, 17.alpha.-ethinylestra-1,3,5(10)-triene-3,17.beta.-diol, 17alpha-ethinyl-estra-1,3,5(10)-triene-3,17beta-diol, 17alpha-ethinylestra-1,3,5(10)-triene-3,17beta-diol, 17-alpha-Ethinylestra-1,3,5(10)-triene-3,17-beta-diol, 17 alpha-Ethinylestradiol, 17.alpha.-Ethinylestradiol, 17alpha-Ethinylestradiol, 17alpha-Ethinyl estradiol, 17alpha-Ethinylestradiol-17beta, 17.alpha.-ethinyloestra-1,3,5(10)-triene-3,17.beta.-diol, 17alpha-ethinyloestra-1,3,5(10)-triene-3,17beta-diol, 17-alpha-Ethinyloestra-1,3,5(10)-triene-3,17-beta-diol, 17-alpha-Ethynyl-1,3,5(10)-estratriene-3,17-beta-diol, 17alpha-Ethynyl-1,3,5(10)-estratriene-3,17beta-diol, 17-alpha-Ethynyl-1,3,5(10)-oestratriene-3,17-beta-diol, 17.alpha.-Ethynyl-1,3,5-estratriene-3,17.beta.-diol, 17-alpha-Ethynyl-1,3,5-oestratriene-3,17-beta-diol, 17.alpha.-Ethynyl-1,3,5-oestratriene-3,17.beta.-diol, 17-alpha-Ethynyl-17-beta-oestradiol, 17.alpha.-Ethynyl-17.beta.-oestradiol, 17.alpha.-Ethynylestra-1,3,5(10)-triene-3,17.beta.-diol, 17alpha-Ethynylestra-1,3,5(10)-triene-3,17beta-diol, 17-alpha-ethynyl estradiol, 17 alpha-Ethynylestradiol, 17-alpha-Ethynylestradiol, 17.alpha.-Ethynylestradiol, 17alpha-Ethynylestradiol, 17-alpha-Ethynylestradiol-17-beta, 17.alpha.-Ethynylestradiol-l7.beta., 17.alpha.-Ethynyloestra-1,3,5(10)-triene-3,17.beta.-diol, 17 alpha-Ethynyloestradiol, 17.alpha.-Ethynyloestradiol, 17alpha-Ethynyloestradiol, 17.alpha.-Ethynyloestradiol-17.beta., 17alpha-Ethynyloestradiol-17beta; 17beta-Estradiol, 17-ethynyl-, (17beta)-17-ethynylestra-1(10),2,4-triene-3,17-diol, (17beta)-17-ethynylestra-1,3,5(10)-triene-3,17-diol, 17.beta.-Estradiol, 17-ethynyl-, 17-Ethinyl-3,17-estradiol, 17-Ethinyl-3,17-oestradiol, 17-Ethinylestradiol, 17-Ethynyl-3-17-dihydroxy-1,3,5-oestratriene, 17-Ethynyl-3,17-dihydroxy-1,3,5-oestratriene, 17-Ethynylestradiol, 17-Ethynyloestra-1,3,5(10)-triene-3,17.beta.-diol, 17-Ethynyloestradiol, 19-Nor-1,3,5(10),17alpha-pregnatrien-20-yne-3,17-diol, 19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 19-Nor-17.alpha.-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 19-Nor-17.alpha.-pregna-1,3,5[10]-trien-20-yne-3,17-diol, 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 19-nor-17.alpha.-Pregna-1,3,5(10)-trien-2-yne-3,17-diol, 19-Nor-17-alpha-pregna-1,3,5(10)-triene-20-yne-3,17-diol, 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17.alpha.)-, 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-, 3,17-beta-Dihydroxy-17-alpha-ethynyl-1,3,5(10)-estratriene, 3,17.beta.-Dihydroxy-17.alpha.-ethynyl-1,3,5(10)-estratriene, 3,17beta-Dihydroxy-17alpha-ethynyl-1,3,5(10)-estratriene, 3,17-beta-Dihydroxy-17-alpha-ethynyl-1,3,5(10)-oestratriene, 3,17.beta.-Dihydroxy-17.alpha.-ethynyl-1,3,5(10)-oestratriene, 3,17beta-Dihydroxy-17alpha-ethynyl-1,3,5(10)-oestratriene, 4-06-00-06877 (Beilstein Handbook Reference), 46263_RIEDEL, 57-63-6, 77538-56-8, (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydr
o-6H-cyclopenta[a]phenanthrene-3,17-diol, Aethinyloestradiolum, Aethinyoestradiol [German], AI3-52941, Alesse, Amenoron, Amenorone, Anovlar, AVIANE-21, AVIANE-28, Brevicon, BREVICON 21-DAY, BREVICON 28-DAY, BRN 2419975, C07534, C20H24O2, CCRIS 286, CHEBI:4903, Chee-O-Gen, Chee-O-Genf, component of Brevicon, component of Demulen, component of Estopherol, component of Gynetone, component of Halodrin, component of Modicon, component of Neocon, component of Norlestrin, component of Oracon, component of Ortrel, component of Ovcon, component of Ovral, component of Zorane, CPD000058319, CRYSELLE, Cyclessa, D00554, DB00977, Demulen, DEMULEN 1/35-21, DEMULEN 1/35-28, DEMULEN 1/50-21, DEMULEN 1/50-28, desogen, DESOGESTREL AND ETHINYL ESTRADIOL, Diognat-E, Diogyn E, Diogyn-E, Diprol, Dyloform, E4876_SIGMA, EE, EE2, EE(sub 2), EINECS 200-342-2, ENDOCRINE DISRUPTOR (ETHINYL ESTRADIOL) (SEE ALSO ETHINYL ESTRADIOL (5
7-63-6)), ENPRESSE-21, ENPRESSE-28, EO, Ertonyl, Esteed, Estigyn, Estinyl, Estinyl (TN), Eston-E, Estopherol, Estoral, Estoral (Orion), Estoral [Orion], Estorals, Estoral (VAN), Estra-1,3,5(10)-triene-3,17-beta-diol, 17-alpha-ethynyl-, Estra-1,3,5(10)-triene-3,17.beta.-diol, 17.alpha.-ethynyl-, Estra-1,3,5(10)-triene-3,17beta-diol, 17alpha-ethynyl-, Estra-1,3,5(10)-triene-3,17.beta.-diol, 17-ethynyl-, Estra-1,3,5[10]-triene-3,17.beta.-diol, 17-ethynyl-, Estradiol, 17-ethynyl-, Estrogen, ESTROSTEP 21, ESTROSTEP FE, Ethidol, Ethinoral, Ethinyl E2, ethinyl estradiol, ETHINYLESTRADIOL, Ethinylestradiol [INN:BAN:JAN], Ethinylestradiol (JP15/INN), Ethinylestradiolum [INN-Latin], Ethinyl estradiol (USP), Ethinyl Estradiol [USP], Ethinylestriol, Ethinyloestradiol, Ethinyloestradiol [Steroidal oestrogens], Ethinyl-oestranol, Ethynylestradiol, Ethynyl estradiol, Ethynyloestradiol, Eticyclin, Eticyclol, Eticylol, Etinestrol, Etinestryl, Etinilestradiol [INN-Spanish], Etinilestradiolo [DCIT], Etinoestryl, Etistradiol, FEMHRT, Feminone, Follicoral, GENCEPT 0.5/35-21, GENCEPT 0.5/35-28, GENCEPT 10/11-21, GENCEPT 10/11-28, GENCEPT 1/35-21, GENCEPT 1/35-28, Ginestrene, Halodrin, HSDB 3587, Inestra, Kariva, LESSINA-21, LESSINA-28, Levlen, LEVLITE, LEVORA 0.15/30-21, LEVORA 0.15/30-28, Linoral, LMST02010036, Loestrin, LOESTRIN 21 1/20, LOESTRIN 21 1.5/30, LOESTRIN FE 1/20, LOESTRIN FE 1.5/30, LO/Ovral, LO/OVRAL-28, LOW-OGESTREL-21, LOW-OGESTREL-28, LS-231, Lynoral, Menolyn, Microfollin, Microfollin Forte, MICROGESTIN FE 1/20, MICROGESTIN FE 1.5/30, Mircette, Mixture Name, MLS000028479, MLS000758274, Modicon, MODICON 21, MODICON 28, NCGC00091533-01, NCGC00091533-04, NCI60_000234, N.E.E. 1/35 21, N.E.E. 1/35 28, Neo-Estrone, Nogest-S, NORCEPT-E 1/35 21, NORCEPT-E 1/35 28, Nordette, NORDETTE-21, NORDETTE-28, Norethin 1/35 E, NORETHIN 1/35E-21, NORETHIN 1/35E-28, NORETHINDRONE AND ETHINYL ESTRADIOL, NORETHINDRONE AND ETHINYL ESTRADIOL (10/11), NORETHINDRONE AND ETHINYL ESTRADIOL (7/14), NORINYL 1+35 21-DAY, NORINYL 1+35 28-DAY, Norlestrin, NORLESTRIN 21 1/50, NORLESTRIN 21 2.5/50, NORLESTRIN 28 1/50, NORLESTRIN FE 1/50, NORLESTRIN FE 2.5/50, NORQUEST FE, Novestrol, NSC10973, NSC-10973, Nuvaring, OGESTREL 0.5/50-21, OGESTREL 0.5/50-28, Oradiol, Orestralyn, Orestrayln, ortho-Cept, Ortho-Cyclen, Ortho Cyclen-21, Ortho Cyclen-28, Ortho Evra, Ortho-novum, ORTHO-NOVUM 10/11-21, ORTHO-NOVUM 10/11-28 IN PLASTIC CONTAINER, ORTHO-NOVUM 1/35-21, ORTHO-NOVUM 1/35-28, ORTHO-NOVUM 7/14-21, ORTHO-NOVUM 7/14-28, ORTHO-NOVUM 7/7/7-21, ORTHO-NOVUM 7/7/7-28, Ortho Tri-Cyclen, Ovcon, OVCON-35, OVCON-50, Ovex, Ovral, OVRAL-28, Palonyl, Perovex, PORTIA-21, PORTIA-28, PREVEN EMERGENCY CONTRACEPTIVE KIT, Primogyn, Primogyn C, Primogyn M, Progynon C, PUBERTAL ETHINYL ESTRADIOL STUDY, SAM001247008, Seasonale, Seasonique, SGCUT00127, SMR000058319, Spanestrin, ST5411320, to_000048, TRANSGENIC MODEL EVALUATION (ETHINYL ESTRADIOL), Tri-Levlen, TRI-NORINYL 21-DAY, TRI-NORINYL 28-DAY, Triphasil, Triphasil-21, TRIPHASIL-28, TRIVORA-21, TRIVORA-28, WLN: L E5 B666TTT&J E1 FQ F1UU1 OQ, Yasmin, Ylestrol, ZOVIA 1/35E-21, ZOVIA 1/35E-28, ZOVIA 1/50E-21, ZOVIA 1/50E-28

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Search for: 17alpha-Ethynyloestradiol-17beta; 17beta-Estradiol, 17-ethynyl-
IUPAC Name	(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydr o-6H-cyclopenta[a]phenanthrene-3,17-diol
CAS Number	77538-56-8
Chemical Formula	C₂₀H₂₄O₂

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