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| Clinical data | |
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| Other names | 11β-MNTDC; CDB-4754 |
| Routes of administration | By mouth,intramuscular injection |
| Drug class | Androgen;Anabolic steroid;Androgen ester;Progestogen |
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| CAS Number | |
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| Chemical and physical data | |
| Formula | C32H52O4 |
| Molar mass | 500.764 g·mol−1 |
| 3D model (JSmol) | |
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11β-Methyl-19-nortestosterone 17β-dodecylcarbonate (11β-MNTDC) (developmental code nameCDB-4754) is asynthetic andorally activeanabolic–androgenic steroid (AAS) and aderivative ofnandrolone (19-nortestosterone) which was developed by the Contraceptive Development Branch (CDB) of theNational Institute of Child Health and Human Development (NICHD) and has not been marketed for medical use at this time.[1][2][3][4] It is anandrogen ester – specifically, the C17βdodecylcarbonateester of11β-methyl-19-nortestosterone (11β-MNT) – and acts as aprodrug of 11β-MNT in the body.[1][2][3][4]
11β-MNTDC is under development as abirth control pill for men.[5][6][7] It has been described as the "sister compound" ofdimethandrolone undecanoate, which is also under development as a birth control pill for men.[7][5]
Because 11β-MNTDC is not5α-reduced, in contrast totestosterone, it may have less risk ofscalp hair loss.[8]
