Cas no 50394-89-3 (2-Hydroxy Ethynyl Estradiol)

2-Hydroxy Ethynyl Estradiol structure
2-Hydroxy Ethynyl Estradiol structure
Product Name:2-Hydroxy Ethynyl Estradiol
CAS No:50394-89-3
MF:C20H24O3
MW:312.40300
CID:376263
PubChem ID:66395
Update Time:2025-07-13

2-Hydroxy Ethynyl Estradiol Chemical and Physical Properties

Names and Identifiers

    • 19-Norpregna-1,3,5(10)-trien-20-yne-2,3,17-triol,(17a)-
    • 2-Hydroxy Ethynyl Estradiol
    • (8R,9S,13S,14S)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-2,3,17-triol

Computed Properties

  • Exact Mass: 312.17300
  • Monoisotopic Mass: 312.173
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 23
  • Rotatable Bond Count: 1
  • Complexity: 536
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 4
  • Undefined Atom Stereocenter Count : 1
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 178
  • XLogP3: nothing
  • Topological Polar Surface Area: 60.7A^2

Experimental Properties

  • Density: 1.29
  • Melting Point: 220-223°C
  • Boiling Point: 490.7°C at 760 mmHg
  • Flash Point: 227.8°C
  • Refractive Index: 1.647
  • PSA: 60.69000
  • LogP: 3.31820

2-Hydroxy Ethynyl Estradiol Pricemore >>

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2-Hydroxy Ethynyl Estradiol Production Method

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