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Names | |
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IUPAC name
17β-Ethyl-5ξ-estrane | |
Systematic IUPAC name
(1S,3aS,3bR,5aΞ,9aS,9bR,11aR)-1-Ethyl-11a-methylhexadecahydro-1H-cyclopenta[a]phenanthrene | |
Other names
13β-Methyl-17β-ethylgonane | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
C20H34 | |
Molar mass | 274.492 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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19-Norpregnane, also known as 13β-methyl-17β-ethylgonane, is a norsteroid and the 19-demethyl analogueofpregnane. It is the parent compoundof19-norprogesterone (19-norpregn-4-ene-3,20-dione) and derivatives of it such as the progestins demegestone, gestonorone caproate (gestronol hexanoate), nomegestrol acetate, norgestomet, promegestone, segesterone acetate (nestorone), and trimegestone.[1]
Steroid classification
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C17 |
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C18 |
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C19 |
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C20 |
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C21 |
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C23 |
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C24 |
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C27 |
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Functional group |
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Elements removed |
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Elements replaced |
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