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This article is about a non-clinically used antiandrogen compound. For the pharmaceutical drug, see cyproterone acetate.
Systematic (IUPAC) name
CAS Number 2098-66-0 YesY
ATC code G03HA01
PubChem CID 5284537
DrugBank DB04839 YesY
ChemSpider 4447594 YesY
Chemical data
Formula C22H27ClO3
Molar mass 374.901 g/mol
 NYesY (what is this?)  (verify)

Cyproterone (INN) is a steroidal antiandrogen that was never marketed.[1][2][3]

An acylated derivative, cyproterone acetate, is widely used clinically as an antiandrogen and progestin.[1][2][3]

While cyproterone is sometimes used as a synonym for cyproterone acetate, what is almost always being referred to is actually cyproterone acetate and not cyproterone.


  1. ^ a b Index Nominum 2000: International Drug Directory. Taylor & Francis US. 2000. p. 289. ISBN 978-3-88763-075-1. Retrieved 29 May 2012. 
  2. ^ a b F.. Macdonald (1997). Dictionary of Pharmacological Agents. CRC Press. p. 557. ISBN 978-0-412-46630-4. Retrieved 29 May 2012. 
  3. ^ a b Christoph Zink (1 January 1988). Dictionary of Obstetrics and Gynecology. Walter de Gruyter. p. 61. ISBN 978-3-11-085727-6. Retrieved 29 May 2012.