Cas no 4717-38-8 (17-epi-Ethynyl Estradiol)

17-epi-Ethynyl Estradiol structure
17-epi-Ethynyl Estradiol structure
Product Name:17-epi-Ethynyl Estradiol
CAS No:4717-38-8
MF:C20H24O2
MW:296.403366088867
CID:825928
PubChem ID:145760
Update Time:2025-04-19

17-epi-Ethynyl Estradiol Chemical and Physical Properties

Names and Identifiers

    • 17-epi-Ethynyl Estradiol
    • Ethinylestradiol
    • 17β-Ethynylestradiol
    • A-Hydroxy Ethynyl Estradiol
    • DTXSID00873493
    • E0037
    • etinylestradiol
    • 17beta-ethinylestradiol
    • 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol; 17-epi-Ethynylestradiol; 17a-Estradiol, 17-ethynyl-; 17ss-Ethynylestradiol; 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol (17ss-Ethinylestradiol); Ethinylestradiol Imp. A (EP)
    • 17.ALPHA.-ESTRADIOL, 17-ETHYNYL
    • (1S,3aS,3bR,9bS,11aS)-1-ethynyl-11a-methyl-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-1,7-diol
    • 4717-38-8
    • CHEMBL1628202
    • AKOS032958198
    • 17-epi-Ethynylestradiol
    • 17.BETA.-ETHINYLESTRADIOL
    • 17.beta.-ethinyl estradiol
    • ETHINYLESTRADIOL IMPURITY A [EP IMPURITY]
    • Q27280743
    • 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol
    • (8R,9S,13S,14S,17S)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
    • SCHEMBL73884
    • (+)-17.BETA.-ETHYNYLESTRADIOL
    • II522L1IMZ
    • UNII-II522L1IMZ
    • MDL: MFCD11114026
    • 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
    • InChI Key: BFPYWIDHMRZLRN-SWBPCFCJSA-N
    • SMILES: O[C@]1(C#C)CC[C@H]2[C@@H]3CCC4C=C(C=CC=4[C@H]3CC[C@@]21C)O

Computed Properties

  • Exact Mass: 296.17800
  • Monoisotopic Mass: 296.17763
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 22
  • Rotatable Bond Count: 0
  • Complexity: 505
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 5
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 3.7
  • Topological Polar Surface Area: 40.5

Experimental Properties

  • Color/Form: No data available
  • Density: 1.2±0.1 g/cm3
  • Melting Point: No data available
  • Boiling Point: 457.2±45.0 °C at 760 mmHg
  • Flash Point: 211.2±23.3 °C
  • PSA: 40.46000
  • LogP: 3.61260
  • Vapor Pressure: 0.0±1.2 mmHg at 25°C

17-epi-Ethynyl Estradiol Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
TRC
E685095-1mg
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$ 259.00 2023-09-07
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$ 1997.00 2023-09-07
SHENG KE LU SI SHENG WU JI SHU
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A2B Chem LLC
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A2B Chem LLC
AG26424-5g
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17-epi-Ethynyl Estradiol Production Method

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