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Merck
CN

C8753

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
NACRES:
NA.77
PubChem Substance ID:
24893099
UNSPSC Code:
12352211
MDL number:
MFCD00056441

Key Documents

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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+

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 key

IMXSFYNMSOULQS-SXXSVFILSA-N

assay

≥95% (HPLC; detection at 205 nm)

form

viscous liquid

color

clear

functional group

ester

shipped in

dry ice

storage temp.

−20°C

Quality Level

200

Related Categories

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

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000508479
0000508479
0000479962
0000479962
0000456991

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Huiyong Yin et al.
Analytical biochemistry, 313(2), 319-326 (2003-02-28)
Autoxidation of polyunsaturated fatty acids and esters leads to a complex mixture containing hydroperoxides and cyclic peroxides. The oxidation mixture of cholesteryl arachidonate, which has been characterized by a variety of mass spectrometry techniques, was subject to analysis by conventional
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
J M Smaby et al.
Biochemistry, 20(4), 724-730 (1981-02-17)
Surface pressure--area isotherms for binary mixtures of cholesteryl octanoate, elaidate, stearate, oleate, linoleate, linolenate, and arachiodonate in mixtures with dioleoyllecithin, triolein, oleic acid, and oleoyl alcohol were measured at 24 degrees C. Analysis of the pressure and area characteristics as
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
M Aviram et al.
Free radical biology & medicine, 26(7-8), 892-904 (1999-05-08)
Human serum paraoxonase (PON1) can protect low density lipoprotein (LDL) from oxidation induced by either copper ion or by the free radical generator azo bis amidinopropane hydrochloride (AAPH). During LDL oxidation in both of these systems, a time-dependent inactivation of
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