C8003
5-α-Cholestane
≥97.0% (HPLC)
동의어(들):
NSC 224419
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제품정보 (DICE 배송 시 비용 별도)
실험식(Hill 표기법):
C27H48
CAS 번호:
Molecular Weight:
372.67
UNSPSC Code:
12352211
NACRES:
NA.77
PubChem Substance ID:
EC Number:
207-562-8
Beilstein/REAXYS Number:
2051806
MDL number:
Quality Level
assay
≥97.0% (HPLC)
form
powder
mp
80-82 °C (lit.)
SMILES string
CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CCCC[C@]4(C)[C@H]3CC[C@]12C
InChI
1S/C27H48/c1-19(2)9-8-10-20(3)23-14-15-24-22-13-12-21-11-6-7-17-26(21,4)25(22)16-18-27(23,24)5/h19-25H,6-18H2,1-5H3/t20-,21-,22+,23-,24+,25+,26+,27-/m1/s1
InChI key
XIIAYQZJNBULGD-XWLABEFZSA-N
Application
5-α-Cholestane has been used:
- as an internal standard in gas phase chromatography (GC) and high-performance liquid chromatography (HPLC) to quantify cholesterol in meat products for a comparison study
- to quantify the active compounds in the oils using a gas chromatograph coupled to a mass spectrometer
- as a reference standard in GC analyses to quantify sterol content in the unsaponifiables obtained from oat lipids and different sterol standards like fucosterol, sitosterol, campesterol, and stigmasterol
Biochem/physiol Actions
5α-Cholestane is a sterol produced endogenously from cholesterol and has been isolated from human feces. It is derived from cholesterol by the action of intestinal microorganisms. Derivatives of 5α-cholestane in plants are called brassinosteroids that selectively activate the PPI3K/Akt pathway.
Preparation Note
5α-Cholestane yields clear to slightly hazy, colorless to faint yellow solution in chloroform at 50 mg/ml.
저장 등급
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Comparative Analysis and Validation Methodologies of GC and HPLC for Analysis of Cholesterol in Meat Products
Stroher GL et al
American Journal of Analytical Chemistry, 3, 306-311 (2012)
L J Chen et al.
Journal of agricultural and food chemistry, 58(19), 10467-10474 (2010-09-11)
The objectives of this study were to develop a GC-MS method for determination of cholesterol oxidation products (COPs) in tea-leaf eggs and study the formation and inhibition of COPs as affected by heating time and various ingredients in marinated juice.
Stefanie M Hixson et al.
PloS one, 11(3), e0152264-e0152264 (2016-03-25)
Nutritional enhancement of crops using genetic engineering can potentially affect herbivorous pests. Recently, oilseed crops have been genetically engineered to produce the long-chain omega-3 polyunsaturated fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) at levels similar to that found