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C79409

Sigma-Aldrich

Cholesteryl-stearat

96%

Synonym(e):

Cholesterin-octadecanoat

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About This Item

Empirische Formel (Hill-System):
C45H80O2
CAS-Nummer:
35602-69-8
Molekulargewicht:
653.12
Beilstein:
2068492
EG-Nummer:
252-637-0
MDL-Nummer:
MFCD00003639
UNSPSC-Code:
12352108
PubChem Substanz-ID:
24892584
NACRES:
NA.22

Qualitätsniveau

100

Assay

96%

Form

powder

Optische Aktivität

[α]25/D −21°, c = 2 in chloroform

mp (Schmelzpunkt)

79-83 °C (lit.)

Übergangstemp.

cholesteric phase to smectic phase 75.5 °C
isotropic phase to cholesteric phase 79.5 °C
crystalline phase to isotropic phase 83 °C

SMILES String

CCCCCCCCCCCCCCCCCC(=O)O[C@H]1CC[C@]2(C)C3CC[C@]4(C)C(CCC4C3CC=C2C1)[C@H](C)CCCC(C)C

InChI

1S/C45H80O2/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25-43(46)47-38-30-32-44(5)37(34-38)26-27-39-41-29-28-40(36(4)24-22-23-35(2)3)45(41,6)33-31-42(39)44/h26,35-36,38-42H,7-25,27-34H2,1-6H3/t36-,38+,39+,40-,41+,42+,44+,45-/m1/s1

InChIKey

XHRPOTDGOASDJS-XNTGVSEISA-N

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Verwandte Kategorien

Allgemeine Beschreibung

Cholesteryl stearate is a stearic acid ester of cholesterol. In solid-state, its autoxidation is higher than its free form.

Anwendung

It can be used as a reference standard during the determination of tocopherols and sterols in vegetable oils by GC.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

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Sigma-Aldrich

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Sigma-Aldrich

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Determination of tocopherols and sterols in vegetable oils by solid-phase extraction and subsequent capillary gas chromatographic analysis.
Lechner M, et al.
Journal of Chromatography A, 857(1), 231-238 (1999)
Autoxidation of cholesterol fatty acid esters in solid state and aqueous dispersion.
Korahani V, et al.
Lipids, 17(10), 703-708 (1982)
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J Robin Harris et al.
Journal of structural biology, 139(2), 122-135 (2002-10-31)
The Vibrio cholerae cytolysin (VCC) 63-kDa monomer has been shown to interact in aqueous suspension with cholesterol microcystals to produce a ring/pore-like heptameric oligomer approximately 8 nm in outer diameter. Transmission electron microscopy data were produced from cholesterol samples adsorbed
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