Date published: 2026-3-7

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5α-Cholest-7-en-3β-ol (CAS 80-99-9)

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Alternate Names:
Lathosterol; 3β-Hydroxy-5α,7-cholestene
Application:
5α-Cholest-7-en-3β-ol is used as a substrate in enzymatic assay for plasma cholesterol
CAS Number:
80-99-9
Purity:
≥98%
Molecular Weight:
386.65
Molecular Formula:
C27H46O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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5α-Cholest-7-en-3β-ol is an intermediate in cholesterol biosynthesis pathway. 5α-Cholest-7-en-3β-ol in serum is carried on lipoproteins and is indicative of the rate of cholesterol synthesis. It acts as a marker of synthesis of cholesterol and is not affected by dietary consumption of cholesterol.


5α-Cholest-7-en-3β-ol (CAS 80-99-9) References

  1. Antimutagenic activity of 5alpha-cholest-7-en-3beta-ol, a new component from the starfish asterina pectinifera.  |  Han, YH., et al. 2000. Biol Pharm Bull. 23: 1247-9. PMID: 11041261
  2. Deuterated delta 7-cholestenol analogues as mechanistic probes for wild-type and mutated delta 7-sterol-C5(6)-desaturase.  |  Rahier, A. 2001. Biochemistry. 40: 256-67. PMID: 11141078
  3. The distribution of free sterols, polyhydroxysteroids and steroid glycosides in various body components of the starfish Patiria (=Asterina) pectinifera.  |  Kicha, AA., et al. 2001. Comp Biochem Physiol B Biochem Mol Biol. 128: 43-52. PMID: 11163303
  4. The conversion of cholest-5-en-3beta-ol into cholest-7-en-3beta-ol by the echinoderms Asterias rubens and Solaster papposus.  |  Smith, AG. and Goad, LJ. 1975. Biochem J. 146: 35-40. PMID: 1147903
  5. Lanosterol 14alpha-demethylase. The metabolism of some potential intermediates by cell-free systems from rat liver.  |  Gibbons, GF., et al. 1976. Biochem Biophys Res Commun. 69: 781-9. PMID: 1267815
  6. Molecular characterization of the microsomal tamoxifen binding site.  |  Kedjouar, B., et al. 2004. J Biol Chem. 279: 34048-61. PMID: 15175332
  7. Substrate specificity of cholesterol oxidase from Streptomyces cinnamomeus--a monolayer study.  |  Slotte, JP. 1992. J Steroid Biochem Mol Biol. 42: 521-6. PMID: 1616882
  8. Sterol composition and biosynthesis in mouse salivary glands.  |  Hindy, AM., et al. 1986. Arch Oral Biol. 31: 87-93. PMID: 3460541
  9. In vitro leishmanicidal activity of two cholesterol derivatives.  |  Isaac-Márquez, AP. and Lezama-Dávila, CM. 2022. World J Microbiol Biotechnol. 38: 66. PMID: 35246768
  10. Sterol biosynthesis in vitro of rat renal inner medulla.  |  Bojesen, E., et al. 1973. Biochim Biophys Acta. 306: 237-48. PMID: 4713153
  11. The sterols of the echinoderm Asterias rubens.  |  Smith, AG., et al. 1973. Biochem J. 135: 443-55. PMID: 4772271
  12. Transformation of 5 alpha-cholest-7-en-3 beta-ol to cholesterol and cholestanol in cerebrotendinous xanthomatosis.  |  Tint, GS. and Salen, G. 1974. J Lipid Res. 15: 256-62. PMID: 4827915
  13. The biological conversion of 5alpha-cholest-8-en-3beta-ol to 5alpha-cholest-7-en-3beta-ol in the biosynthesis of cholesterol.  |  Canonica, L., et al. 1968. Steroids. 11: 287-98. PMID: 5642322
  14. Sterol composition of bovine retinal rod outer segment membranes and whole retinas.  |  Fliesler, SJ. and Schroepfer, GJ. 1982. Biochim Biophys Acta. 711: 138-48. PMID: 7066367
  15. Sterol metabolism. XLII. On the interception of singlet molecular oxygen by sterols.  |  Smith, LL. and Stroud, JP. 1978. Photochem Photobiol. 28: 479-85. PMID: 733929

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

5α-Cholest-7-en-3β-ol, 25 mg

sc-210429
25 mg
$117.00

5α-Cholest-7-en-3β-ol, 100 mg

sc-210429A
100 mg
$372.00