Clostebol caproate

Clostebol caproate (brand name Macrobin-Depot), also known as clostebol hexanoate or chlorotestosterone caproate (JAN), as well as 4-chlorotestosterone 17β-caproate or as 4-chloroandrost-4-en-17β-ol-3-one 17β-caproate, is a synthetic, injected anabolic-androgenic steroid (AAS) and a derivative of testosterone.[1][2] It is an androgen ester – specifically, the C17β caproate ester of clostebol (4-chlorotestosterone) – and acts as a prodrug of clostebol in the body.[1][additional citation(s) needed] Clostebol acetate is administered via intramuscular injection.[2]

Clostebol caproate
Clostebol caproate.svg
Clostebol caproate molecule ball.png
Clinical data
Trade namesMacrobin-Depot
Routes of
Intramuscular injection
CAS Number
Chemical and physical data
Molar mass421.02 g·mol−1
3D model (JSmol)

See alsoEdit


  1. ^ a b Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 305–. ISBN 978-1-4757-2085-3.
  2. ^ a b Morton IK, Hall JM (31 October 1999). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Science & Business Media. pp. 80–. ISBN 978-0-7514-0499-9.