4-Hydroxyestrone

CAS Registry Number®

3131-23-5

CAS Name

4-Hydroxyestrone

Molecular Formula

C18H22O3

Molecular Mass

286.37

Cite this Page

4-Hydroxyestrone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3131-23-5 (retrieved 2025-07-14) (CAS RN: 3131-23-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    260-265 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C18H22O3/c1-18-9-8-11-10-4-6-15(19)17(21)13(10)3-2-12(11)14(18)5-7-16(18)20/h4,6,11-12,14,19,21H,2-3,5,7-9H2,1H3/t11-,12-,14+,18+/m1/s1

InChIKey

InChIKey=XQZVQQZZOVBNLU-QDTBLXIISA-N

SMILES

C[C@@]12[C@]([C@]3([C@@](C=4C(CC3)=C(O)C(O)=CC4)(CC1)[H])[H])(CCC2=O)[H]

Canonical SMILES

O=C1CCC2C3CCC4=C(O)C(O)=CC=C4C3CCC12C

Other Names for this Substance

  • Estra-1,3,5(10)-trien-17-one, 3,4-dihydroxy-
  • 3,4-Dihydroxyestra-1,3,5(10)-trien-17-one
  • 4-Hydroxyestrone
  • 3,4-Dihydroxy-1,3,5(10)-estratrien-17-one

CAS INSIGHTSTM
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