Oxabolone cipionate

Oxabolone cipionate (INN, JAN) (brand names Steranabol Depo, Steranabol Ritardo; former developmental code name FI-5852), or oxabolone cypionate, also known as 4-hydroxy-19-nortestosterone 17β-cypionate or estr-4-en-4,17β-diol-3-one 17β-cypionate, is synthetic and injected anabolic–androgenic steroid (AAS) and derivative of nandrolone (19-nortestosterone) which has been marketed in Europe.[1][2][3] It is the C17β cypionate ester and a prodrug of oxabolone (4-hydroxy-19-nortestosterone).[2][3]

Oxabolone cipionate
Oxabolone cipionate.svg
Clinical data
Trade namesSteranabol Depo, Steranabol Ritardo
Other namesOxabolone cypionate; FI-5852; 4-Hydroxy-19-nortestosterone 17β-cypionate; Estr-4-en-4,17β-diol-3-one 17β-cypionate
Routes of
Intramuscular injection[1]
Drug classAndrogen; Anabolic steroid; Androgen ester
ATC code
CAS Number
PubChem CID
CompTox Dashboard (EPA)
ECHA InfoCard100.013.647 Edit this at Wikidata
Chemical and physical data
Molar mass414.586 g·mol−1
3D model (JSmol)
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See alsoEdit


  1. ^ a b H.-L. Krüskemper (22 October 2013). Anabolic Steroids. Elsevier. pp. 203–. ISBN 978-1-4832-6504-9.
  2. ^ a b Index Nominum 2000: International Drug Directory. Taylor & Francis. January 2000. pp. 764–765. ISBN 978-3-88763-075-1.
  3. ^ a b J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 1–. ISBN 978-1-4757-2085-3.