| Identification | More | [Name]
Methyltrienolone | [CAS]
965-93-5 | [Synonyms]
17A-METHYL-TRENBOLONE
17b-hydroxy-17-methylestra-4,9,11-trien-3-one
METHYLTRIENOLONE
METRIBOLONE
R1881
(17S)-17-Hydroxy-17-methylestra-4,9,11-triene-3-one
17β-Hydroxy-17-methylestra-4,9,11-trien-3-one
RU-1881 | [EINECS(EC#)]
663-842-3 | [Molecular Formula]
C19H24O2 | [MDL Number]
MFCD00199021 | [Molecular Weight]
284.39 | [MOL File]
965-93-5.mol |
| Chemical Properties | Back Directory | [Melting point ]
170° | [alpha ]
D20 -58.7° (c = 0.5 in ethanol) | [Boiling point ]
485.9±45.0 °C(Predicted) | [density ]
1.17±0.1 g/cm3(Predicted) | [storage temp. ]
2-8°C | [solubility ]
DMSO: ≥10mg/mL | [form ]
powder | [pka]
14.79±0.40(Predicted) | [color ]
light yellow to yellow | [optical activity]
[α]/D -48 to -68° | [InChI]
InChI=1/C19H24O2/c1-18-9-7-15-14-6-4-13(20)11-12(14)3-5-16(15)17(18)8-10-19(18,2)21/h7,9,11,16-17,21H,3-6,8,10H2,1-2H3/t16-,17+,18+,19+/s3 | [InChIKey]
CCCIJQPRIXGQOE-XWSJACJDSA-N | [SMILES]
[C@@]12([H])CC[C@@](O)(C)[C@@]1(C)C=CC1=C3CCC(=O)C=C3CC[C@@]21[H] |&1:0,4,7,21,r| | [CAS DataBase Reference]
965-93-5(CAS DataBase Reference) |
| Questions and Answers (Q&A) | Back Directory | [Description]
Methyltrienolone is an orally active anabolic-androgen steroid being a 17α-alkylated nandrolone (19-nortestosterone) derivative. It is not sold as a prescription drug and a dietary supplement due to its strong androgenic side effects and liver toxicity. However, it is often used as the reference point for in vitro biological activity for biochemical studies. It can bind strongly to the androgen receptor and can be used as an affinity label of the androgen receptor in the prostate and in prostatic tumors.
| [References]
https://en.wikipedia.org/wiki/Metribolone
https://www.drugbank.ca/drugs/DB02998
https://pubchem.ncbi.nlm.nih.gov/compound/Methyltrienolone
Kazlauskas R. (2010) Designer Steroids. In: Thieme D., Hemmersbach P. (eds) Doping in Sports: Biochemical Principles, Effects and Analysis. Handbook of Experimental Pharmacology, vol 195. Springer, Berlin, Heidelberg
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| Hazard Information | Back Directory | [Chemical Properties]
Pale Yellow Solid | [Uses]
An anabolic steroid. | [Definition]
ChEBI: A synthetic non-aromatisable androgen and anabolic steroid. It binds strongly to the androgen receptor and has therefore also been used as an affinity label for this receptor in the prostate and in prostatic tumors. | [Biochem/physiol Actions]
Androgen receptors (ARs) are nuclear hormone receptors/transcription factors. R1881, also known as methyltrienolone, is a synthetic androgen. It is the gold standard AR agonist. |
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