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C8753

Sigma-Aldrich

Cholesteryl arachidonate

≥95% (HPLC; detection at 205 nm), viscous liquid

Synonym(s):

3β-Hydroxy-5-cholestene 3-arachidonate, 5-Cholesten-3β-ol 3-arachidonate, Cholesteryl eicosatetraenoate

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About This Item

Empirical Formula (Hill Notation):
C47H76O2
CAS Number:
604-34-2
Molecular Weight:
673.11
MDL number:
MFCD00056441
UNSPSC Code:
12352211
PubChem Substance ID:
24893099
NACRES:
NA.77

Assay

≥95% (HPLC; detection at 205 nm)

form

viscous liquid

color

clear

functional group

ester

shipped in

dry ice

storage temp.

−20°C

SMILES string

CCCCC\C=C\C\C=C\C\C=C\C\C=C\CCCC(=O)OC1CCC2(C)C3CCC4(C)C(CCC4C3CC=C2C1)C(C)CCCC(C)C

InChI

1S/C47H76O2/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-27-45(48)49-40-32-34-46(5)39(36-40)28-29-41-43-31-30-42(38(4)26-24-25-37(2)3)47(43,6)35-33-44(41)46/h11-12,14-15,17-18,20-21,28,37-38,40-44H,7-10,13,16,19,22-27,29-36H2,1-6H3/b12-11+,15-14+,18-17+,21-20+

InChI key

IMXSFYNMSOULQS-SXXSVFILSA-N

Application

Cholesteryl arachidoante was oxidized and used to study the biological effects.

Biochem/physiol Actions

Cholesteryl arachidonate is a cholesterol ester found associated with the neutral core of low density lipoprotein. Receptor-LDL complexes are taken up by lysosomes and hydrolyzed to release cholesterol from the esters. The enzyme acid cholesteryl ester hydrolase is responsible for the hydrolysis of cholesteryl esters; a defective enzyme can result in the formation of atherosclerotic lesions in humans.

Preparation Note

Cholesteryl arachidonate is a clear, colorless viscous liquid in chloroform.

Storage Class Code

10 - Combustible liquids

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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V Schlotte et al.
Free radical biology & medicine, 25(7), 839-847 (1998-11-21)
Oxidative modification of low density lipoprotein (LDL) is implicated in the early development of atherosclerosis. In the present study, attention has been focused toward the potential protective effects of uric acid and purine-based chemical analogues in copper-promoted oxidative changes to
M Van Heek et al.
The Journal of biological chemistry, 273(31), 19405-19410 (1998-07-25)
Both oxidized low density lipoprotein (ox-LDL) and platelet-derived growth factor (PDGF) have been implicated in the genesis of various inflammatory responses, including atherosclerosis. We demonstrate here a novel interaction between specific oxidized lipids derived from ox-LDL and PDGF. The lipid
R Y Ball et al.
British journal of experimental pathology, 69(1), 43-56 (1988-02-01)
Murine resident peritoneal macrophages were maintained in cell culture in a medium containing 10% lipoprotein-deficient fetal calf serum to which various artificial lipoprotein particles (coacervates of lipid and bovine serum albumin) had been added. The uptake and intracellular fate of
N Araki et al.
Analytical biochemistry, 185(2), 339-345 (1990-03-01)
A simple and rapid method for the microquantification of cholesterol and cholesteryl esters by reverse-phase high performance liquid chromatography has been established. Comparison of elution patterns of authentic cholesterol and cholesteryl esters revealed that a mu Bondasphere reverse-phase C8 (300-A)
Huiyong Yin et al.
The Journal of biological chemistry, 279(5), 3766-3776 (2003-11-05)
Free radical-initiated lipid autoxidation in low density lipoprotein (LDL) has been implicated in the pathogenesis of atherosclerosis. Oxidation of the lipid components of LDL leads to a complex mixture of hydroperoxides, bicyclic endoperoxides, monocyclic peroxides, and serial cyclic peroxides. The
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