Skeletal formula of demegestone
Ball-and-stick model of the demegestone molecule
Clinical data
ATC code G03DB05 (WHO)
Synonyms R-2453, RU-2453; 17α-Methyl-19-norpregna-4,9-diene-3,20-dione
CAS Number 10116-22-0
PubChem (CID) 93057
ChemSpider 84009
KEGG D07223
Chemical and physical data
Formula C21H28O2
Molar mass 312.446 g/mol
3D model (Jmol) Interactive image

Demegestone (INN) (brand name Lutionex), also known as 17α-methyl-Δ9-19-norprogesterone or 17α-methyl-19-norpregna-4,9-diene-3,20-dione,[1] is a steroidal progestin of the 19-norprogesterone group which was introduced by Roussel in France in 1974.[1][2] Like other 19-norprogesterone derivatives, it has relatively high affinity for the progesterone receptor and shows little or no activity at other steroid hormone receptors.[3]

See also


  1. 1 2 J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 356–. ISBN 978-1-4757-2085-3.
  2. William Andrew Publishing (22 October 2013). Pharmaceutical Manufacturing Encyclopedia, 3rd Edition. Elsevier. pp. 1215–. ISBN 978-0-8155-1856-3.
  3. Ian Milsom (2006). Contraception and Family Planning. Elsevier Health Sciences. pp. 102–. ISBN 0-444-51828-2.

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