Chemistry:Methylhydroxynandrolone
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| Other names | MOHN; MHN; 4-Hydroxy-17α-methyl-19-nortestosterone; HMNT; 4,17β-Dihydroxy-17α-methylestr-4-en-3-one |
| Routes of administration | By mouth[1] |
| Drug class | Androgen; Anabolic steroid |
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| Chemical and physical data | |
| Formula | C19H28O3 |
| Molar mass | 304.430 g·mol−1 |
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Methylhydroxynandrolone (MOHN, MHN), also known as 4-hydroxy-17α-methyl-19-nortestosterone (HMNT), as well as 4,17β-dihydroxy-17α-methylestr-4-en-3-one, is a synthetic, orally active anabolic–androgenic steroid (AAS) and a 17α-alkylated derivative of nandrolone (19-nortestosterone) which was never marketed.[1] It was first described in 1964 and was studied in the treatment of breast cancer, but was not introduced for clinical use.[1][2] The drug re-emerged in 2004 when it started being sold on the Internet as a "dietary supplement".[1] MOHN joined other AAS as a controlled substance in the United States on 20 January 2005.[1]
MOHN is non-aromatizable due to the presence of a hydroxy group at the C4 position, and for this reason, poses no risk of estrogenic side effects like gynecomastia at any dosage, unlike many other AAS.[1] 5α-Reduction is also inhibited by the C4 hydroxy group of MOHN and, because of this, MOHN may have a relatively higher ratio of androgenic to anabolic activity than other nandrolone derivatives (as 5α-reduction, opposite to the case of most other AAS, decreases AAS potency for most nandrolone derivatives).[1] Early assays found that MOHN had approximately 13 times the anabolic activity and 3 times the androgenic activity of methyltestosterone.[1]
MOHN is the 4-hydroxylated derivative of normethandrone (17α-methyl-19-nortestosterone), the 17α-methylated derivative of oxabolone (4-hydroxy-19-nortestosterone), the 4-hydroxylated and 17α-methylated derivative of nandrolone (19-nortestosterone), and the 19-demethylated analogue of oxymesterone (4-hydroxy-17α-methyltestosterone).[1]
See also
- List of androgens/anabolic steroids
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 William Llewellyn (1 November 2008). Anabolics: Anabolic Steroid Reference Guide. William Llewellyn. p. 311. ISBN 978-0-9679304-7-3. https://books.google.com/books?id=3-FAQgAACAAJ.
- ↑ "Sperimentazione Clinica del 4-Idrossi-17-alfa-metil-19-nortestosterone nel Carcinoma Mammario Diffuso" (in it). Tumori 50 (6): 445–456. 1964. doi:10.1177/030089166405000602. ISSN 0300-8916. PMID 14261594.
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