C2773
Cholesterol 5α,6α-epoxide
Synonym(s):
5α,6α-Epoxycholestan-3β-ol
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About This Item
Empirical Formula (Hill Notation):
C27H46O2
CAS Number:
Molecular Weight:
402.65
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
41141804
EC Number:
215-007-6
MDL number:
InChI key
PRYIJAGAEJZDBO-ZEQHCUNVSA-N
InChI
1S/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-20-15-24-27(29-24)16-19(28)11-14-26(27,5)23(20)12-13-25(21,22)4/h17-24,28H,6-16H2,1-5H3/t18-,19+,20+,21-,22+,23+,24+,25-,26-,27+/m1/s1
SMILES string
[H][C@@]12[C@]([C@](CC[C@H](O)C3)(C)[C@@]3(O4)[C@@H]4C2)([H])CC[C@@]5(C)[C@@]1([H])CC[C@]5([H])[C@]([H])(C)CCCC(C)C
assay
≥80%
form
powder
functional group
epoxy
shipped in
ambient
storage temp.
room temp
Quality Level
Related Categories
Application
Cholesterol 5α, 6α-epoxide was incorporated in culture medium of human arterial endothelial cells to study oxysterol-induced toxicity.
Biochem/physiol Actions
Cholesterol 5α, 6α-epoxide is an oxysterol, a cholesterol derivative by auto-oxidation. Oxysterols are non-genomic regulators of cholesterol homeostasis. The biological effects include protein prenylation, apoptosis, modulation of sphingolipid metabolism and platelet aggregation. Oxysterols bind to liver X receptors, modulate cholesterol efflux and decrease the uptake of cholesterol by the cells.
Preparation Note
Cholesterol 5α, 6α-epoxide yields clear, colorless solution in chloroform at 50 mg/ml.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Chisato Ishimaru et al.
Lipids, 43(4), 373-382 (2008-01-25)
This paper describes the inhibitory activities of cholesterol derivatives such as cholesterol, sodium cholesteryl sulfate, cholesteryl-5alpha, 6alpha-epoxide, cholesteryl chloride, cholesteryl bromide, and cholesteryl hemisuccinate (compounds 1-6, respectively) against DNA polymerase (pol), DNA topoisomerase (topo), and human cancer cell growth. Among
Anne Vejux et al.
Histochemistry and cell biology, 127(6), 609-624 (2007-01-18)
Oxysterols, mainly those oxidized at the C7 position, induce a complex mode of cell death exhibiting some characteristics of apoptosis associated with a rapid induction of lipid rich multilamellar cytoplasmic structures (myelin figures) observed in various pathologies including atherosclerosis. The
Patrik Johansson et al.
Journal of molecular biology, 351(5), 1048-1056 (2005-07-30)
Epoxide hydrolases are vital to many organisms by virtue of their roles in detoxification, metabolism and processing of signaling molecules. The Mycobacterium tuberculosis genome encodes an unusually large number of epoxide hydrolases, suggesting that they might be of particular importance
Lisa Ryan et al.
The British journal of nutrition, 94(4), 519-525 (2005-10-04)
Oxysterols are oxygenated derivatives of cholesterol that may be formed endogenously or absorbed from the diet. Significant amounts of oxysterols have frequently been identified in foods of animal origin, in particular highly processed foods. To date, oxysterols have been shown
Y W Cheng et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 43(4), 617-622 (2005-02-22)
The mutagenicity of oxysterols, cholesterol-3beta,5alpha,6beta-triol (alpha-Triol), 7-keto-cholesterol (7-Keto) and cholesterol-5alpha,6alpha-epoxide (alpha-Epox) were examined by the Ames method and chromosome aberration test in this study. Only alpha-Triol concentration-dependently caused an increase of bacterial revertants in the absence of metabolic activating enzymes
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