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188174

Sigma-Aldrich

(+)-4-Cholesten-3-one

98%

Synonym(s):

3-Keto-4-cholestene, 3-Oxo-4-cholestene, 4-Cholesten-3-one

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1 G
$34.00
10 G
$323.00

$34.00

Available to ship onApril 29, 2025Details

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1 G
$34.00
10 G
$323.00

About This Item

Empirical Formula (Hill Notation):
C27H44O
CAS Number:
601-57-0
Molecular Weight:
384.64
Beilstein/REAXYS Number:
2224119
EC Number:
210-005-1
MDL number:
MFCD00003663
UNSPSC Code:
12352115
PubChem Substance ID:
24851303
NACRES:
NA.22

$34.00

Available to ship onApril 29, 2025Details

Request a Bulk Order

Quality Level

100

assay

98%

form

solid

optical activity

[α]23/D +91.0°, c = 2 in chloroform

mp

79-81 °C (lit.)

functional group

ketone

SMILES string

[H][C@@]12[C@]([C@](CC3)(C)C(CC2)=CC3=O)([H])CC[C@@]4(C)[C@@]1([H])CC[C@]4([H])[C@]([H])(C)CCCC(C)C

InChI

1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h17-19,22-25H,6-16H2,1-5H3/t19-,22+,23-,24+,25+,26+,27-/m1/s1

InChI key

NYOXRYYXRWJDKP-GYKMGIIDSA-N

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
STBK8231
STBH6865
STBF4322V
STBC4769V
10120TH

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Cell, 124(6), 1209-1223 (2006-03-15)
In response to environmental and dietary cues, the C. elegans orphan nuclear receptor, DAF-12, regulates dauer diapause, reproductive development, fat metabolism, and life span. Despite strong evidence for hormonal control, the identification of the DAF-12 ligand has remained elusive. In
G Tibolla et al.
Atherosclerosis, 210(1), 78-87 (2009-12-01)
Atherosclerosis is associated with Alzheimer's disease (AD) in humans, but the nature of this link is still elusive. Aim of this study was to investigate aortic atherosclerosis development in a mouse model with central nervous system (CNS) restricted beta-amyloid precursor
B Zipser et al.
Comparative biochemistry and physiology. Part C, Pharmacology, toxicology & endocrinology, 120(2), 269-282 (1998-11-25)
Steroids were isolated from the blood-sucking leech species Hirudo medicinalis and their structure was studied with one- and two-dimensional NMR spectroscopy (DQF-COSY and HMQC), GC-MS and ESI-MS spectrometry. Fractionating leech lipid using silicic acid chromatography led to the isolation of
Yin-Ru Chiang et al.
Applied and environmental microbiology, 74(1), 107-113 (2007-11-13)
The anoxic metabolism of cholesterol was studied in the denitrifying bacterium Sterolibacterium denitrificans, which was grown with cholesterol and nitrate. Cholest-4-en-3-one was identified before as the product of cholesterol dehydrogenase/isomerase, the first enzyme of the pathway. The postulated second enzyme
Satoshi Yamaguchi et al.
Scientific reports, 7, 41007-41007 (2017-01-25)
A chemically-activatable alkynyl steroid analogue probe has been synthesized for visualizing the lipid raft membrane domains by Raman microscopy. The Raman probe, in which ring A of its steroid backbone is replaced with an alkynyl group, was designed to enable
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Questions

  1. In the certificate of 4-cholesten-3-one 188174-1G lot # STBH6865 there is no information about the experiation date. Could you please sent me this information?

    1 answer

    1. This product is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one-year warranty from the date of shipment.

      For more information, you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.

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