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Merck
모든 사진(1)

주요 문서

C79409

Sigma-Aldrich

Cholesteryl stearate

96%

동의어(들):

5-Cholesten-3β-yl octadecanoate

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About This Item

실험식(Hill 표기법):
C45H80O2
CAS Number:
Molecular Weight:
653.12
Beilstein:
2068492
EC Number:
MDL number:
UNSPSC 코드:
12352108
PubChem Substance ID:
NACRES:
NA.22

Quality Level

분석

96%

형태

powder

광학 활성

[α]25/D −21°, c = 2 in chloroform

mp

79-83 °C (lit.)

전이 온도

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

InChI key

XHRPOTDGOASDJS-XNTGVSEISA-N

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일반 설명

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

애플리케이션

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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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)
Haiyang Feng et al.
Chemical biology & drug design, 90(5), 867-872 (2017-04-23)
In this study, rhein-SLNs were successfully produced by hot homogenization followed by ultrasonication. Precirol ATO5 in which rhein exhibited higher partition coefficient was selected for preparation of SLNs. In the dynamic light scattering, the rhein-SLNs showed a smaller size with
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
Clara Barba Albanell et al.
Skin pharmacology and physiology, 31(4), 198-205 (2018-05-10)
Wool wax is a soft, yellow, waxy substance that is secreted by the sebaceous glands of sheep. The purpose of wool wax is to waterproof and protect the wool. Chemically, wool wax is a complex mixture of esters, fatty acids

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