Testosterone butyrate

Testosterone butyrate
Clinical data
Routes of
Intramuscular injection
CAS Number 3410-54-6
PubChem (CID) 102409
ChemSpider 92494
Chemical and physical data
Formula C23H34O3
Molar mass 358.522 g/mol
3D model (Jmol) Interactive image

Testosterone butyrate, or testosterone butanoate, also known as androst-4-en-17β-ol-3-one 17β-butanoate, is a synthetic, steroidal androgen and an androgen ester – specifically, the C17β butanoate ester of testosterone – which was first synthesized in the 1930s and was never marketed.[1][2][3][4] Its ester side-chain length and duration of effect are intermediate between those of testosterone propionate and testosterone valerate.[2]

See also


  1. Samuel H. Yalkowsky; Yan He; Parijat Jain (19 April 2016). Handbook of Aqueous Solubility Data, Second Edition. CRC Press. pp. 1288–. ISBN 978-1-4398-0246-5.
  2. 1 2 Ralph Isadore Dorfman; Reginald A. Shipley (1956). Androgens: biochemistry, physiology, and clinical significance. Wiley. p. 119.
  3. Koch, F. C. (1937). "RECENT ADVANCES IN THE FIELD OF ANDROGENS". Cold Spring Harbor Symposia on Quantitative Biology. 5 (0): 34–43. doi:10.1101/SQB.1937.005.01.004. ISSN 0091-7451.
  4. Griffiths, P. J. F.; James, K. C.; Rees, M. (1965). "Crystallographic data for some testosterone esters". Acta Crystallographica. 19 (1): 149–150. doi:10.1107/S0365110X65002918. ISSN 0365-110X.

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