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E2634

Sigma-Aldrich

Ergosta-5,7,9(11),22-tetraen-3β-ol

~96% (HPLC)

Synonym(s):

Dehydroergosterol

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5 MG
$108.90
50 MG
$554.40

About This Item

Empirical Formula (Hill Notation):
C28H42O
CAS Number:
516-85-8
Molecular Weight:
394.63
MDL number:
MFCD00083319
UNSPSC Code:
12352200
PubChem Substance ID:
24894479
NACRES:
NA.77

$108.90

List Price$121.00Save 10%
Web-Only Promotion

Available to ship onMay 01, 2025Details

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assay

~96% (HPLC)

Quality Level

200

storage temp.

−20°C

SMILES string

[H][C@@]1(CC[C@@]2([H])C3=CC=C4C[C@@H](O)CC[C@]4(C)C3=CC[C@]12C)[C@H](C)\C=C\[C@H](C)C(C)C

InChI

1S/C28H42O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h7-10,14,18-20,22,24-25,29H,11-13,15-17H2,1-6H3/b8-7+/t19-,20+,22-,24+,25-,27-,28+/m0/s1

InChI key

QSVJYFLQYMVBDR-CMNOFMQQSA-N

General description

Ergosta-5,7,9(11),22-tetraen-3β-ol is an analogue of ergosterol. It comprises of three conjugated double bonds in a steroid ring system. Ergosta-5,7,9(11),22-tetraen-3β-ol possesses anti-inflammatory property.[1] It is used as a cholesterol reporter.[2]

application

A fluorescent cholesterol analog useful as a probe in membrane research.
Ergosta-5,7,9(11),22-tetraen-3β-ol has been used to examine the acyltransferase activity of lecithin:cholesterol acyltransferase (LCAT).[3] It has also been used for liposome preparation.[4][5]

pictograms

Health hazard
GHS08

signalword

Warning

hcodes

H351,H373

Hazard Classifications

Carc. 2 - STOT RE 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000270821
0000270821
0000347103
0000347101
0000310461

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Jiangqing Dong et al.
Nature communications, 10(1), 829-829 (2019-02-21)
Phosphatidylinositol phosphates (PIPs) and cholesterol are known to regulate the function of late endosomes and lysosomes (LELs), and ORP1L specifically localizes to LELs. Here, we show in vitro that ORP1 is a PI(4,5)P2- or PI(3,4)P2-dependent cholesterol transporter, but cannot transport
Liming Qiu et al.
Biophysical journal, 96(10), 4299-4307 (2009-05-20)
The interaction of an amphiphilic, 40-amino acid beta-amyloid (Abeta) peptide with liposomal membranes as a function of sterol mole fraction (X(sterol)) was studied based on the fluorescence anisotropy of a site-specific membrane sterol probe, dehydroergosterol (DHE), and fluorescence resonance energy
Alexander G Georgiev et al.
Traffic (Copenhagen, Denmark), 12(10), 1341-1355 (2011-06-22)
Sterol transport between the endoplasmic reticulum (ER) and plasma membrane (PM) occurs by an ATP-dependent, non-vesicular mechanism that is presumed to require sterol transport proteins (STPs). In Saccharomyces cerevisiae, homologs of the mammalian oxysterol-binding protein (Osh1-7) have been proposed to
Fluorescent sterols: probe molecules of membrane structure and function.
F Schroeder
Progress in lipid research, 23(2), 97-113 (1984-01-01)
Fischer, R.T., et al.
J. Biol. Physics, 13, 13-13 (1985)
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