Clinical data | |
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Other names | 4-Hydroxy-19-nortestosterone; 4,17β-Dihydroxyestr-4-en-3-one; 19-Norandrost-4-ene-4,17β-diol-3-one |
Routes of administration | Intramuscular injection (as oxabolone cipionate) |
Drug class | Androgen; Anabolic steroid |
Identifiers | |
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CAS Number | |
ChemSpider | |
UNII | |
CompTox Dashboard ( EPA) | |
ECHA InfoCard | 100.022.920 |
Chemical and physical data | |
Formula | C18H26O3 |
Molar mass | 290.403 g·mol−1 |
3D model ( JSmol) | |
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Oxabolone is a synthetic anabolic-androgenic steroid (AAS) of the nandrolone (19-nortestosterone) group which was never marketed. [1] [2] [3] It can be formulated as the cipionate ester prodrug oxabolone cipionate, which, in contrast, has been marketed for medical use. [1] [2] [3]
Oxabolone is on the World Anti-Doping Agency's list of prohibited substances, [4] and is therefore banned from use in most major sports.
The 17α-methylated analogue of oxabolone is methylhydroxynandrolone (4-hydroxy-17α-methyl-19-nortestosterone) and the 17α- and 19-methylated derivative of oxabolone is oxymesterone (4-hydroxy-17α-methyltestosterone). [1] [2] [3]