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700060P

Avanti

desmosterol

Avanti Polar Lipids

Synonym(s):

24-dehydrocholesterol; 5,24-cholestadien-3β-ol; 110798

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About This Item

Empirical Formula (Hill Notation):
C27H44O
CAS Number:
313-04-2
Molecular Weight:
384.64
UNSPSC Code:
12352211
NACRES:
NA.25

description

3β-hydroxy-5,24-cholestadiene

Assay

>99% (TLC)

form

powder

packaging

pkg of 1 × 10 mg (700060P-10mg)
pkg of 1 × 5 mg (700060P-5mg)

manufacturer/tradename

Avanti Polar Lipids

shipped in

dry ice

storage temp.

−20°C

InChI

1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h7,9,19,21-25,28H,6,8,10-17H2,1-5H3/t19-,21+,22+,23-,24+,25+,26+,27-/m1/s1

InChI key

AVSXSVCZWQODGV-DPAQBDIFSA-N

General description

Desmosterol lacks a double bond between C24 and C25 compared to cholesterol. It is present in the membrane of spermatozoa and astrocytes and is the major brain sterol.

Application

Desmosterol has been used as a sterol to test its interaction with human protein Mincle and as an internal standard in ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). It may be used as in the preparation of lipid monolayers.

Biochem/physiol Actions

Desmosterol is a precursor of cholesterol in the Bloch pathway and the enzyme 24-dehydrocholesterol reductase catalyzes this step. Desmosterol accumulates during impairment of 24-dehydrocholesterol reductase enzyme thereby leading to desmosterolosis. Desmosterol is a liver X receptor (LXR) agonist . It is a potential therapeutic target for treating the neurodegenerative disorder. Desmosterol regulates inflammatory signaling in macrophages.

Packaging

5 mL Amber Glass Screw Cap Vial (700060P-10mg)
5 mL Amber Glass Screw Cap Vial (700060P-5mg)

Legal Information

Avanti Research is a trademark of Avanti Polar Lipids, LLC

also commonly purchased with this product

Product No.
Description
Pricing

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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María de Las Mercedes Carro et al.
Biochimica et biophysica acta. Biomembranes, 1862(9), 183357-183357 (2020-05-18)
Ram sperm are particularly sensitive to freeze-thawing mainly due to their lipid composition, limiting their use in artificial insemination programs. We evaluated the extent of cholesterol and desmosterol incorporation into ram sperm through incubation with increasing concentrations of methyl-β-cyclodextrin (MβCD)-sterol
Saara Vainio et al.
The Journal of biological chemistry, 281(1), 348-355 (2005-10-27)
Desmosterol is an immediate precursor of cholesterol in the Bloch pathway of sterol synthesis and an abundant membrane lipid in specific cell types. The significance of the difference between the two sterols, an additional double bond at position C24 in
Josi Herron et al.
Current protocols in toxicology, 78(1), e65-e65 (2018-10-16)
Cholesterol and cholesterol-derived oxysterols are critical for embryonic development, synapse formation and function, and myelination, among other biological functions. Indeed, alterations in levels of cholesterol, sterol precursors, and oxysterols result in a variety of developmental disorders, emphasizing the importance of
Guangtao Li et al.
Journal of lipid research, 61(5), 758-766 (2020-01-23)
The formation and properties of liquid-ordered (Lo) lipid domains (rafts) in the plasma membrane are still poorly understood. This limits our ability to manipulate ordered lipid domain-dependent biological functions. Giant plasma membrane vesicles (GPMVs) undergo large-scale phase separations into coexisting

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