Trenbolone

Trenbolone is an androgen and anabolic steroid (AAS) of the nandrolone group which itself was never marketed. Trenbolone ester prodrugs, including trenbolone acetate (brand names Finajet, Finaplix, others) and trenbolone hexahydrobenzylcarbonate (brand names Parabolan, Hexabolan), are or have been marketed for veterinary and clinical use. Trenbolone acetate is used in veterinary medicine in livestock to increase muscle growth and appetite, while trenbolone hexahydrobenzylcarbonate was formerly used clinically in humans but is now no longer marketed. In addition, although it is not approved for clinical or veterinary use, trenbolone enanthate is sometimes sold on the black market under the nickname Trenabol.

Not to be confused with Trestolone.
Trenbolone
Clinical data
Other namesTrienolone; Trienbolone; RU-2341; Δ9,11-Nandrolone; 19-Nor-δ9,11-testosterone; Estra-4,9,11-trien-17β-ol-3-one
AHFS/Drugs.comInternational Drug Names
License data
Pregnancy
category
  • X
Routes of
administration		Intramuscular injection (as esters)
Drug classAndrogen; Anabolic steroid; Progestogen
ATC code
  • None
Legal status
Legal status
Pharmacokinetic data
BioavailabilityIntramuscular: 100%
MetabolismLiver
Elimination half-life6-8 hours
ExcretionUrine
Identifiers
  • (8S,13S,14S,17S)-17-Hydroxy-13-methyl-2,6,7,8,14,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-3-one
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.127.177
Chemical and physical data
FormulaC18H22O2
Molar mass270.372 g·mol−1
3D model (JSmol)
  • O=C4\C=C2/C(=C1/C=C\[C@@]3([C@@H](O)CC[C@H]3[C@@H]1CC2)C)CC4
  • InChI=1S/C18H22O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h8-10,15-17,20H,2-7H2,1H3/t15-,16+,17+,18+/m1/s1 Y
  • Key:MEHHPFQKXOUFFV-OWSLCNJRSA-N Y
 NY (what is this?)  (verify)
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