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Steroid


DATA No : SST9004 INFORMANT : Etsuko Yasugi

NAME : 5b-cholestane-3a,7a,24-triol

COMMON NAME:
SYMBOL:
FORMULA: C27H48O3 MOL.WT (average) : 420.668


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:24Rform 125-127degC, 24Sform 78-79degC (Ref. 9001)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:24Rform [a]d-25 +25.8deg, 24Sform [a]d-25 +4deg (Ref. 9001)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:1H-NMR 18-CH3 19-CH3 21-CH3 26,27-CH3 24R form 66.0 91.0 91.0 91.5 24Sform 65.0 90.0 88.5 92.5 (in H2)

MASS SPECTRA:546,531,503,456,441,413,366,351,323,255,145(base peak),73 (TMS deriv.) (Ref. 9001)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
human bile (Ref. 9002)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[9001]
AUTHOR:Dayal,B., Batta,A.K., Shefer,S., Tint,G.S., Salen,G., and Mosbach,E.H.
TITLE:Preparation of 24(R)-and 24(S)-5b-Cholestane-3a,7a,24-Triols and 25(R)- and 25(S)-5b-Cholestane-3a,7a,26-Triols by A Hydroboration Procedure. PubMed ID:632683
JOURNAL:J. Lipid Res.
VOL:19 PAGE : 191 -196 (1978)
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[9002]
AUTHOR:Kuroki,S., Shimazu,K., Kuwabara,M., Une,M., Kihira,K., Kuramoto,T., and Hoshita, T.
TITLE:Identification of Bile Alcohols in Human Bile. PubMed ID:3989382
JOURNAL:J. Lipid Res.
VOL:26 PAGE : 230 -240 (1985)
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Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.