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21-Norcholestane

Names
IUPAC name 21-Nor-5ξ-cholestane
Systematic IUPAC name (1S,3aS,3bS,5aΞ,9aS,9bS,11aR)-9a,11a-Dimethyl-1-(5-methylhexyl)hexadecahydro-1H-cyclopentaphenanthrene
Identifiers
3D model (JSmol)	Interactive image (5α)-21-Norcholestane: Interactive image
PubChem CID	15807965 135072882 (5α)-21-Norcholestane
InChI InChI=1S/C26H46/c1-19(2)9-5-6-10-21-13-15-23-22-14-12-20-11-7-8-17-25(20,3)24(22)16-18-26(21,23)4/h19-24H,5-18H2,1-4H3/t20-,21-,22-,23-,24-,25-,26+/m0/s1Key: NJAGGVRNPGTXRG-JGWBXBOGSA-N InChI=1S/C26H46/c1-19(2)9-5-6-10-21-13-15-23-22-14-12-20-11-7-8-17-25(20,3)24(22)16-18-26(21,23)4/h19-24H,5-18H2,1-4H3/t20?,21-,22-,23-,24-,25-,26+/m0/s1Key: NJAGGVRNPGTXRG-ALEVNZSUSA-N
SMILES CC(C)CCCC1CC21(CC32CCC43(CCCC4)C)C (5α)-21-Norcholestane: CC(C)CCCC1CC21(CC32CC43(CCCC4)C)C
Properties
Chemical formula	C26H46
Molar mass	358.654 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

21-Norcholestane, or 17β-Isoheptylandrostane is a 26-carbon (C26) sterane, found in eogene lacustrine sediments.

See also

• Androstane
• Cholestane
• Nor-

References

1. Bao JP, Li MW (2001). "Unprecedented occurrence of novel C26–C28 21-norcholestanes and related triaromatic series in evaporitic lacustrine sediments". Organic Geochemistry. 32 (8): 1031–1036. doi:10.1016/S0146-6380(01)00060-2. PMID 27494664.

• Steroids