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27-Norcholestane

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27-Norcholestane
Names
IUPAC name (8R,9S,10S,13R,14S,17R)-17--10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopentaphenanthrene
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
InChI
  • InChI=1S/C26H46/c1-5-6-7-10-19(2)22-14-15-23-21-13-12-20-11-8-9-17-25(20,3)24(21)16-18-26(22,23)4/h19-24H,5-18H2,1-4H3/t19-,20?,21+,22-,23+,24+,25+,26-/m1/s1
  • Key: JGTJUUFDASCIKN-LBSJJPSCSA-N
SMILES
  • CCCCC(C)1CC21(CC32CCC43(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
Chemical compound

27-Norcholestane, is a chemical compound with the formula C
26H
46, that is a steroid derivative. 27-Norcholestane is used as a biomarker to constrain the source age of sediments and petroleum through the ratio between 24-norcholestane and 27-norcholestane (norcholestane ratio, NCR), especially when used with other age diagnostic biomarkers, like oleanane.

See also

References

  1. Holba, A. G.; Dzou, L. I. P.; Masterson, W. D.; Hughes, W. B.; Huizinga, B. J.; Singletary, M. S.; Moldowan, J. M.; Mello, M. R.; Tegelaar, E. (1998-11-01). "Application of 24-norcholestanes for constraining source age of petroleum". Organic Geochemistry. 29 (5): 1269–1283. Bibcode:1998OrGeo..29.1269H. doi:10.1016/S0146-6380(98)00184-3. ISSN 0146-6380.


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