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(3β,24S)-Cholest-5-ene-3,24-diol

Product Name
(3β,24S)-Cholest-5-ene-3,24-diol
CAS No.
474-73-7
Chemical Name
(3β,24S)-Cholest-5-ene-3,24-diol
Synonyms
24-hydroxycholesterol;24(S)-HYDROXYCHOLESTEROL;5-CHOLESTEN-3β, 24(S)-DIOL;cholest-5-ene-3β,24(S)-diol;(24S)-24-hydroxycholesterol;cholest-5-ene-3-beta,24-diol;(3β,24S)-Cholest-5-ene-3,24-diol;(3β,24S)-Cholest-5-ene-3,24-diol;Cholest-5-ene-3,24-diol, (3β,24S)-;24(S)-hydroxycholesterol (24(S)-HC)
CBNumber
CB6498177
Molecular Formula
C27H46O2
Formula Weight
402.65
MOL File
474-73-7.mol
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(3β,24S)-Cholest-5-ene-3,24-diol Property

Melting point:
174-176 °C
Boiling point:
513.1±23.0 °C(Predicted)
Density 
1.03±0.1 g/cm3(Predicted)
storage temp. 
-20°C
solubility 
Soluble in DMSO (up to 10 mg/ml) or in Ethanol (up to 10 mg/ml).
form 
powder
pka
15.03±0.70(Predicted)
color 
white to beige
optical activity
[α]/D -45 to -52°, c = 1 in chloroform-d
Stability:
Stable for 2 years from date of purchase as supplied. Solutions in DMSO or ethanol may be stored at -20° for up to 2 months.
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
SML1648
Product name
24(S)-Hydroxycholesterol
Purity
≥98% (HPLC)
Packaging
1MG
Price
$124
Updated
2023/06/20
Sigma-Aldrich
Product number
SML1648
Product name
24(S)-Hydroxycholesterol
Purity
≥98% (HPLC)
Packaging
5MG
Price
$504
Updated
2023/06/20
Cayman Chemical
Product number
10009931
Product name
24(S)-hydroxy Cholesterol
Purity
≥95%
Packaging
1mg
Price
$68
Updated
2024/03/01
Cayman Chemical
Product number
10009931
Product name
24(S)-hydroxy Cholesterol
Purity
≥95%
Packaging
5mg
Price
$319
Updated
2024/03/01
Cayman Chemical
Product number
10009931
Product name
24(S)-hydroxy Cholesterol
Purity
≥95%
Packaging
10mg
Price
$601
Updated
2024/03/01
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(3β,24S)-Cholest-5-ene-3,24-diol Chemical Properties,Usage,Production

Description

24(S)-hydroxy Cholesterol is a side-chain substituted oxysterol that has important roles in cholesterol homeostasis. It is generated by the action of CYP46 on cholesterol in the brain and diffuses across the blood-brain barrier to the systemic circulation where it can modulate cell signaling, be used for further sterol biosynthesis, or be metabolized in the liver. 24(S)-hydroxy cholesterol potently activates LXRα and LXRβ nuclear receptors (EC50 = 4 and 3 μM, respectively), causing upregulation of cholesterol-lowering genes. In the brain, this oxysterol controls cholesterol processing to facilitate neurological repair during Alzheimer’s disease and other neuropathological conditions.

Uses

(3β,24S)-Cholest-5-ene-3,24-diol is used as a biomarker in the analysis of disease.

Uses

(3β,24S)-Cholest-5-ene-3,24-diol is used as a biomarker in the analysis of disease.

Definition

ChEBI: (24S)-24-hydroxycholesterol is a 24-hydroxycholesterol that has S configuration at position 24. It is the major metabolic breakdown product of cholesterol in the brain. It has a role as a mouse metabolite, a biomarker and a human blood serum metabolite.

General Description

24(S)-hydroxycholesterol (24HC) is synthesized from cholesterol in brain dendrites by the action of enzyme cholesterol 24-hydroxylase (CYP46A1). It is catabolized to bile acids in the liver.

Biochem/physiol Actions

24(S)-hydroxycholesterol (24HC) elevated levels are reported in liver inflammation and fibrosis. It is a N-methyl-D-aspartate receptor (NMDAR) modulator. The levels of 24HC are potential indicators of brain development as well as pathology including Alzheimer′s disease (AD) and multiple sclerosis. Polymorphism in the cholesterol 24-hydroxylase (CYP46A1) gene leads to elevated 24HC levels and toxicity. 24HC is a mediator of apoptosis and necroptosis. Elevated levels of 24HC are reported in liver inflammation and fibrosis.

References

1) Lujohann et al. (1996), Cholesterol homeostasis in human brain: evidence for an age-dependent flux of 24S-hydroxycholesterol from the brain into circulation; Proc. Natl. Acad. Sci. USA, 93 9799 2) Chawla et al. (2001), Nuclear receptors and lipid physiology:opening the X-files; Science, 294 1866 3) Kolsch et al. (1999), The neurotoxic effect of 24-hydroxycholesterol on SH-SY5Y human neuroblastoma cells; Brain Res., 818 171 4) Yamanaka et al. (2011), 24(S)-hydroxycholesterol induces neuronal cell death through necroptosis, a form of programmed necrosis; J. Biol. Chem., 286 24666 5) Wang et al. (2010), A second class of nuclear receptors for oxysterols: regulation of RORalpha and RORgamma activity by 24(S)-hydroxycholesteraol (cerebrosterol); Biochim. Biophys. Acta, 1801 917 6) Leoni and Caccia (2013), Potential diagnostic applications of side chain oxysterols analysis in plasma and cerebrospinal fluid; Biochem. Pharmacol., 86 26 7) Urano et al. (2013), Suppression of amyloid-β production by 24S-hydroxycholesterol via inhibition of intracellular amyloid precursor protein trafficking; FASEB J.,?27?4305

(3β,24S)-Cholest-5-ene-3,24-diol Preparation Products And Raw materials

Raw materials

Preparation Products

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(3β,24S)-Cholest-5-ene-3,24-diol Suppliers

J & K SCIENTIFIC LTD.
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