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Merck
모든 사진(2)

주요 문서

700060P

Avanti

desmosterol

Avanti Research - A Croda Brand

동의어(들):

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

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About This Item

실험식(Hill 표기법):
C27H44O
CAS Number:
Molecular Weight:
384.64
UNSPSC 코드:
12352211
NACRES:
NA.25

설명

3β-hydroxy-5,24-cholestadiene

분석

>99% (TLC)

양식

powder

포장

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

제조업체/상표

Avanti Research - A Croda Brand

배송 상태

dry ice

저장 온도

−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

일반 설명

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.

애플리케이션

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.

생화학적/생리학적 작용

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.

포장

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

법적 정보

Avanti Research is a trademark of Avanti Polar Lipids, LLC

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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시험 성적서(COA)

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문서 라이브러리 방문

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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