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5β-Pregnane

Names
IUPAC name 5β-Pregnane
Systematic IUPAC name (1S,3aS,3bS,5aS,9aS,9bS,11aR)-1-Ethyl-9a,11a-dimethylhexadecahydro-1H-cyclopentaphenanthrene
Other names 17β-Ethyletiocholane; 17β-Ethyl-5β-androstane; 10β,13β-Dimethyl-17β-ethyl-5β-gonane
Identifiers
CAS Number	481-26-5
3D model (JSmol)	Interactive image
ChEBI	CHEBI:20674
ChemSpider	388608
ECHA InfoCard	100.164.905
KEGG	C01523
PubChem CID	439513
UNII	10Z78HHV4C
CompTox Dashboard (EPA)	DTXSID80331420
InChI InChI=1S/C21H36/c1-4-15-9-11-18-17-10-8-16-7-5-6-13-20(16,2)19(17)12-14-21(15,18)3/h15-19H,4-14H2,1-3H3/t15-,16-,17-,18-,19-,20-,21+/m0/s1Key: JWMFYGXQPXQEEM-NUNROCCHSA-N
SMILES CC1CC21(CC32CC43(CCCC4)C)C
Properties
Chemical formula	C21H36
Molar mass	288.519 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

5β-Pregnane, also known as 17β-ethyletiocholane or as 10β,13β-dimethyl-17β-ethyl-5β-gonane, is a steroid and a parent compound of a variety of steroid derivatives. It is one of the epimers of pregnane, the other being 5α-pregnane. Derivatives of 5β-pregnane include the naturally occurring steroids 5β-dihydroprogesterone, pregnanolone, epipregnanolone, pregnanediol, and pregnanetriol, and the synthetic steroids hydroxydione, renanolone, ORG-20599, and SAGE-217. These derivatives include metabolites of progesterone and endogenous and synthetic neurosteroids.

See also

• 5α-Pregnane
• Etiocholane
• Gonane

References

1. William M. Haynes (22 June 2016). CRC Handbook of Chemistry and Physics, 97th Edition. CRC Press. pp. 3–. ISBN 978-1-4987-5429-3.

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