Testosterone valerate

Testosterone valerate, or testosterone pentanoate, also known as androst-4-en-17β-ol-3-one 17β-valerate, is a synthetic, steroidal androgen and an androgen ester – specifically, the C17β valerate ester of testosterone – which is used in veterinary medicine.[1] It is administered via intramuscular injection and acts as a long-lasting prodrug of testosterone.[1] The medication is available as a component of the veterinary drug Deposterona, which is marketed in Mexico and also contains testosterone acetate and testosterone undecanoate.[1] Testosterone valerate is a short-to-medium duration ester of testosterone, with an elimination half-life of approximately twice that of the short-acting testosterone propionate.[1]

Testosterone valerate
Testosterone valerate.svg
Testosterone valerate molecule ball.png
Clinical data
Trade namesDeposterona
Other namesTestosterone pentanoate; Testosterone 17β-valerate; Androst-4-en-17β-ol-3-one 17β-valerate
Routes of
Intramuscular injection
CAS Number
PubChem CID
CompTox Dashboard (EPA)
ECHA InfoCard100.019.559 Edit this at Wikidata
Chemical and physical data
Molar mass372.549 g·mol−1
3D model (JSmol)

See alsoEdit


  1. ^ a b c d William Llewellyn (2011). Anabolics. Molecular Nutrition Llc. pp. 437–. ISBN 978-0-9828280-1-4.