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What is 19-Noretiocholanolone?

  • It is a metabolite of nandrolone (19-nortestosterone) and bolandione (19-norandrostenedione) that is formed by 5α-reductase.
  • IUPAC Name: (3R,5R,8R,9R,10S,13S,14S)-3-hydroxy-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthren-17-one
  • InChI: InChI=1S/C18H28O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h11-16,19H,2-10H2,1H3/t11-,12-,13+,14-,15-,16+,18+/m1/s1
  • Isomeric SMILES: C[C@]12CC[C@@H]3[C@H]4CC[C@H](C[C@H]4CC[C@H]3[C@@H]1CCC2=O)O
  • Molecular formula: C18H28O2
  • Molecular weight: 276.4 g·mol−1
  • PubChem CID: 14009228
  • Synonyms:
  1. 5beta-19-noretiocholanolone
  2. UNII-O5Z6602I6U
  3. O5Z6602I6U
  4. 3alpha-Hydroxy-5beta-estran-17-one
  5. 33036-33-8
  6. 5beta-estran-3alpha-ol-17-one
  7. 5b-Estran-3a-ol-17-one
  8. 3a-hydroxy-5b-Estran-17-one
  9. SCHEMBL1802861
  10. 19-Noretiocholan-3a-ol-17-one
  11. ZINC6067696
  12. 19-Noretiocholan-3alpha-ol-17-one
  13. (3a,5b)-3-hydroxy-Estran-17-one
  14. (3alpha,5beta)-3-Hydroxyestran-17-one
  15. Estran-17-one, 3-hydroxy-, (3alpha,5beta)-
  16. Q27285374
  17. (1R,2S,5R,7R,10R,11S,15S)-5-hydroxy-15-methyltetracyclo[^{2,7}.0^{11,15}]heptadecan-14-one
  18. (3R,5R,8R,9R,10S,13S,14S)-3-hydroxy-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthren-17-one



  1. National Center for Biotechnology Information (2021). PubChem Compound Summary for CID 14009228, 19-Noretiocholanolone. Retrieved August 8, 2021 from [1].

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