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Ethynyl estradiol (57-63-6)

Identification
Name:Ethynyl estradiol
Synonyms:19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol(6CI,7CI,8CI);17-Ethinyl-3,17-estradiol;17-Ethinylestradiol;17-Ethynylestra-1,3,5(10)-triene-3,17b-diol;17a-Ethinyl-3,17-dihydroxy-D1,3,5-estratriene;17a-Ethynylestra-3,17b-diol;17a-Ethynylestradiol;19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17b-diol;Amenoron;Chee-O-Gen;Esteed;Estoral;Estorals;Estradiol, 17-ethynyl-;Ethidol;Ethinoral;Ethynylestradiol;Ethynyloestradiol;Eticyclin;Eticyclol;Follicoral;Ginestrene;Linoral;Lynoral;Microfollin;NSC 10973;Oradiol;Orestralyn;Primogyn C;Progynon C;
CAS:57-63-6
EINECS: 200-342-2
Molecular Formula: C20H24O2
Molecular Weight: 296.40336
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
Molecular Structure: (C20H24O2) 19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol(6CI,7CI,8CI);17-Ethinyl-3,17-estradiol;17-Ethinyl...
Properties
Density:1.21g/cm3
Stability:No data.
Water Solubility:ethanol: 50 mg/mL, clear, slightly yellow
Solubility:ethanol: 50 mg/mL, clear, slightly yellow
Appearance:Off-White to Light-Yellow Crystalline Powder
Specification:Ethynyl estradiol (CAS NO.57-63-6), its Synonyms are (17-alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17,diol ; 17-Ethinyl-3,17-estradiol ; 17-Ethinyl-3,17-oestradiol ; 17-Ethinylestradiol ; 17-Ethynyl-3,17-dihydroxy-1,3,5-oestratriene ; 17-Ethynylestradiol ; 17-Ethynyloestradiol ; 17-alpha-Ethinyl-17-beta-estradiol ; 17-alpha-Ethinyl-3,17-dihydroxy-delta(sup 1,3,5)-estratriene ; Aethinyloestradiolum ; Aethinyoestradiol ; Estorals ; Estra-1,3,5(10)-triene-3,17-beta-diol, 17-alpha-ethynyl- ; Estra-1,3,5(10)-triene-3,17beta-diol, 17alpha-ethynyl- ; Estradiol, 17-ethynyl- ; Ethidol ; Ethinoral ; Primogyn C ; Primogyn M ; Progynon C ; Spanestrin.
Report:NTP 10th Report on Carcinogens. IARC Cancer Review: Human Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 21 , 1979,p. 233.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 6 , 1974,p. 77.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.:(Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 21 , 1979,p. 233.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.:(Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.
Storage Temperature: Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Color: Hemihydrate, fine needles from methanol and water
Usage:A metabolite of 17a-Ethynylestradiol
Safety Data
Hazard Symbols T:Toxic