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D6513

Sigma-Aldrich

Desmosterol

≥84% (GC)

Synonym(s):

24-Dehydrocholesterol, 3β-Hydroxy-5,24-cholestadiene, 5,24-Cholestadien-3β-ol

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About This Item

Empirical Formula (Hill Notation):
C27H44O
CAS Number:
313-04-2
Molecular Weight:
384.64
EC Number:
206-236-2
MDL number:
MFCD00056432
UNSPSC Code:
12352200
PubChem Substance ID:
24894033
NACRES:
NA.77

Quality Level

200

Assay

≥84% (GC)

form

powder

storage temp.

−20°C

SMILES string

[H][C@@]12[C@]([C@](CC[C@H](O)C3)(C)C3=CC2)([H])CC[C@@]4(C)[C@@]1([H])CC[C@]4([H])[C@]([H])(C)CCC=C(C)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 is a C27 sterol intermediate in cholesterol synthesis. It may be associated with the pathogenesis of Alzheimer′s disease (AD).

Application

Desmosterol has been used as a standard for the estimation of the concentrations of cholesterol and plant sterols. It has also been used to suppress nigericin-induced sterol regulatory element-binding proteins 2 (SREBP2) maturation.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Prostate cancer (PCa) is an important health problem worldwide. Diagnosis and management of PCa is very complex because the detection of serum prostate specific antigen (PSA) has several drawbacks. Metabolomics brings promise for cancer biomarker discovery and for better understanding
Clare L Beasley et al.
Bipolar disorders, 7(5), 449-455 (2005-09-24)
Cholesterol forms an integral part of cell membranes and is a major component of myelin. Furthermore, cholesterol also plays a vital role in the development, function and stability of synapses. While low serum cholesterol has previously been associated with mood
Arjan Boerke et al.
Biology of reproduction, 88(1), 21-21 (2012-11-02)
This study demonstrates for the first time that porcine and mouse sperm incubated in capacitation media supplemented with bicarbonate produce oxysterols. The production is dependent on a reactive oxygen species (ROS) signaling pathway that is activated by bicarbonate and can
Lipid Analyses of Four Types of Fish From Manitoba Lakes
Moghadasian MH, et al.
EC nutrition, 1(2), 41-48 (2015)
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Cholesterol Biosynthesis

Cholesterol biosynthesis starts in the hepatic endoplasmic reticulum with acetyl-CoA, yielding 3-hydroxy-3-methylglutaryl-CoA via HMG-CoA synthase.

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