H6378
20α-羟基胆固醇
analytical standard
别名:
5-胆甾烯-3β,20α-二醇
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关于此项目
经验公式（希尔记法）:
C27H46O2
化学文摘社编号:
分子量:
402.65
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
41116107
MDL number:
InChI
1S/C27H46O2/c1-18(2)7-6-14-27(5,29)24-11-10-22-21-9-8-19-17-20(28)12-15-25(19,3)23(21)13-16-26(22,24)4/h8,18,20-24,28-29H,6-7,9-17H2,1-5H3/t20-,21-,22-,23-,24-,25-,26-,27-/m0/s1
SMILES string
CC(C)CCC[C@](C)(O)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
InChI key
MCKLJFJEQRYRQT-APGJSSKUSA-N
grade
analytical standard
assay
≥98%
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
application(s)
clinical testing
format
neat
Quality Level
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Application
20α-Hydroxycholesterol has been used as a standard to determine the concentration of 20α-hydroxycholesterol, present in food samples using gas chromatography with an ion trap detector coupled with mass spectrometer (GC-IT-MS).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
M W Rooney et al.
Biochimica et biophysica acta, 820(1), 33-39 (1985-10-24)
Fourier transform infrared spectroscopy revealed that insertion of 20 alpha-hydroxycholesterol into human erythrocyte membranes (10% of total membrane sterol) immobilized the lipid acyl chains to a degree equivalent to enriching total membrane cholesterol by 50% (Rooney, M.W., Lange, Y. and
H Guo et al.
Endocrinology, 127(3), 1234-1239 (1990-09-01)
Interstitial tissue of the testis consists of Leydig cells, macrophages, lymphocytes, plasma cells, mast cells and fibroblasts. Previously we have reported that interleukin-1 (IL-1) inhibits Leydig cell androgen production. In the present study, the effect of IL-2 was investigated. Leydig
Woo-Kyun Kim et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 22(11), 1711-1719 (2007-07-20)
Specific oxysterols have been shown to be pro-osteogenic and anti-adipogenic. However, the molecular mechanism(s) by which oxysterols inhibit adipogenic differentiation is unknown. We show that the anti-adipogenic effects of osteogenic oxysterol, 20(S)-hydroxycholesterol, are mediated through a hedgehog-dependent mechanism(s) and are
J W Laskey et al.
Toxicology and applied pharmacology, 108(2), 296-306 (1991-04-01)
In vivo assessment of toxicant action on Leydig cell function is subject to homeostatic mechanisms which make it difficult to determine whether any changes seen in serum testosterone (T) concentration are due to extragonadal endocrine alterations or to a direct
B C McNamara et al.
Molecular and cellular endocrinology, 73(2-3), 123-134 (1990-10-22)
Side-chain cleavage (SCC) of endogenous cholesterol in adrenal mitochondria isolated from ACTH-treated rats indicates that the size of the reactive cholesterol pool depends on the reducing precursor. At optimal concentrations of reductant, this pool was typically at least 2 times
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