Trenbolone enanthate

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Trenbolone enanthate
Trenbolone enanthate.svg
Clinical data
SynonymsTrenabol; Trenbolone heptanoate; 19-Nor-δ9,11-testosterone 17β-enanthate; Estra-4,9,11-trien-17β-ol-3-one 17β-enanthate
Routes of
administration
Intramuscular injection
Drug classAndrogen; Anabolic steroid; Androgen ester; Progestogen
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC25H34O3
Molar mass382.544 g/mol g·mol−1
3D model (JSmol)

Trenbolone enanthate, known by the nickname Trenabol, is a synthetic and injected anabolic–androgenic steroid (AAS) and a derivative of nandrolone which was never marketed.[1][2] It is the C17β enanthate ester and a long-acting prodrug of trenbolone.[1] Trenbolone enanthate was never approved for medical or veterinary use but is used in scientific research[3][4] and has been sold on the internet black market as a designer steroid for bodybuilders and athletes.[5]

Structural properties of major anabolic steroid esters

Anabolic steroid Structure Ester Rel. MWb Rel. AASc Durationd
Position Moiety Type Lengtha
Boldenone undecylenate
Boldenone undecylenate.svg
C17β Undecylenic acid Straight-chain fatty acid 11 1.58 0.63 Long
Drostanolone propionate
Drostanolone propionate.svg
C17β Propanoic acid Straight-chain fatty acid 3 1.18 0.84 Short
Metenolone acetate
Metenolone acetate.svg
C17β Ethanoic acid Straight-chain fatty acid 2 1.14 0.88 Short
Metenolone enanthate
Metenolone enanthate.png
C17β Heptanoic acid Straight-chain fatty acid 7 1.37 0.73 Long
Nandrolone decanoate
Nandrolone decanoate.svg
C17β Decanoic acid Straight-chain fatty acid 10 1.56 0.64 Long
Nandrolone phenylpropionate
Nandrolone phenylpropionate.svg
C17β Phenylpropanoic acid Aromatic fatty acid – (~6–7) 1.48 0.67 Long
Trenbolone acetate
Trenbolone acetate.svg
C17β Ethanoic acid Straight-chain fatty acid 2 1.16 0.87 Short
Trenbolone enanthatee
Trenbolone enanthate.svg
C17β Heptanoic acid Straight-chain fatty acid 7 1.41 0.71 Long
Footnotes: a = Length of ester in carbon atoms for straight-chain fatty acids or approximate length of ester in carbon atoms for aromatic fatty acids. b = Relative molecular weight compared to unesterified parent steroid. c = Relative anabolic steroid content by weight (i.e., relative androgenic potency) compared to unesterified parent steroid. d = Duration by intramuscular or subcutaneous injection. e = Never marketed. Sources: See individual medication articles for references.

See also[edit]

References[edit]

  1. ^ a b William Llewellyn (2011). Anabolics. Molecular Nutrition Llc. pp. 724–. ISBN 978-0-9828280-1-4.
  2. ^ Underground Anabolics. Molecular Nutrition Llc. pp. 120–. ISBN 978-0-9828280-7-6.
  3. ^ Dalbo VJ, Roberts MD, Mobley CB, Ballmann C, Kephart WC, Fox CD, Santucci VA, Conover CF, Beggs LA, Balaez A, Hoerr FJ, Yarrow JF, Borst SE, Beck DT (2016). "Testosterone and trenbolone enanthate increase mature myostatin protein expression despite increasing skeletal muscle hypertrophy and satellite cell number in rodent muscle". Andrologia. doi:10.1111/and.12622. PMID 27246614.
  4. ^ Ye F, McCoy SC, Yarrow JF, Conover CF, Beck DT, Beggs LA, Tillman MD (2013). "Effect of Trenbolone enanthate on protein degradation in levator ani/bulbocavernosus (LABC) muscle in orchiectomized rats". The FASEB Journal. 27: 939–15. doi:10.1096/fasebj.27.1_supplement.939.15.
  5. ^ El Osta R, Almont T, Diligent C, Hubert N, Eschwège P, Hubert J (2016). "Anabolic steroids abuse and male infertility". Basic Clin Androl. 26: 2. doi:10.1186/s12610-016-0029-4. PMC 4744441. PMID 26855782.

Further reading[edit]

  • Yarrow JF, McCoy SC, Borst SE (2010). "Tissue selectivity and potential clinical applications of trenbolone (17beta-hydroxyestra-4,9,11-trien-3-one): A potent anabolic steroid with reduced androgenic and estrogenic activity". Steroids. 75 (6): 377–89. doi:10.1016/j.steroids.2010.01.019. PMID 20138077.

External links[edit]