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Merck

14606

Cholesterol

tested according to Ph. Eur.

Synonym(s):

Cholesterolum, 3β-Hydroxy-5-cholestene, 5-Cholesten-3β-ol

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About This Item

Empirical Formula (Hill Notation):
C27H46O
CAS Number:
57-88-5
Molecular Weight:
386.65
UNSPSC Code:
41141804
NACRES:
NA.21
PubChem Substance ID:
329750548
EC Number:
200-353-2
Beilstein/REAXYS Number:
1915888
MDL number:
MFCD00003646

Key Documents

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Quality Level

100

agency

tested according to Ph. Eur.

form

powder

bp

360 °C (lit.)

mp

147-149 °C (lit.)

solubility

chloroform: soluble 1 gm in 4.5 ml, diethyl ether: soluble 1 gm in 2.8 ml, pyridine: soluble 1 gm in 1.5 ml, H2O: insoluble, acetone: soluble, alcohol: slightly soluble, alcohol: very soluble (Hot), benzene: soluble, dioxane: soluble, ethyl acetate: soluble, hexane: soluble, oil: soluble, petroleum ether: soluble

density

1.067 g/mL at 25 °C (lit.)

application(s)

research use (small molecule)

storage temp.

2-8°C

SMILES string

CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C

InChI

1S/C27H46O/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/h9,18-19,21-25,28H,6-8,10-17H2,1-5H3/t19-,21+,22+,23-,24+,25+,26+,27-/m1/s1

InChI key

HVYWMOMLDIMFJA-DPAQBDIFSA-N

Gene Information

human ... POLA1(5422), TOP2A(7153)
rat ... Ar(24208), Polb(29240)

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Application

Cholesterol was used for preparing ISCOMS containing ovalbumin (OVA) for studying whether the incorporation of the protein antigen ovalbumin (OVA) in lipophilic immune-stimulating complexes (ISCOMS) induces very strong primary immune responses. It was incorporated in animal feed to study the effect of cholesterol-rich diet.

Biochem/physiol Actions

Cholesterol is a lipid that makes up about 20-25% of the structural components of the cell membranes. It determines the fluidity and permeability of the membrane, making it permeable to water but not to ions and protons. Cholesterol also regulates the functions of the transporters and signaling proteins present on the plasma membrane. The major sites of cholesterol synthesis are small intestine and liver.
Major component of all biological membranes; ~25% of total brain lipid is cholesterol.

Storage Class

11 - Combustible Solids

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
BCCN5608
BCCM4470
BCCL6298
BCCK5493
BCCH3789

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Ricardo L F Guerra et al.
Lipids in health and disease, 6, 16-16 (2007-07-04)
Exercise has been prescribed in the treatment and control of dyslipidemias and cholesterolemia, however, lipid responses to different training frequencies in hypercholesterolemic men have been inconsistent. We sought to verify if different frequencies of continuous moderate exercise (2 or 5
Daniela C U Cavallini et al.
Lipids in health and disease, 8, 1-1 (2009-01-09)
Much attention has been drawn to different alternative strategies for cardiovascular disease prevention. The aim of the present study was to observe and compare the effects of Enterococcus faecium CRL183 (probiotic microorganism), an isoflavones mixture and simvastatin (drug used to
R R Grummer et al.
Journal of animal science, 66(12), 3160-3173 (1988-12-01)
Cholesterol utilized for steroid synthesis by ovarian tissue may be derived from de novo synthesis or cellular uptake of lipoprotein cholesterol. The majority of blood cholesterol is transported by either low (LDL) or high (HDL) density lipoproteins, depending on the
John M Dietschy et al.
Journal of lipid research, 45(8), 1375-1397 (2004-07-16)
Unesterified cholesterol is an essential structural component of the plasma membrane of every cell. During evolution, this membrane came to play an additional, highly specialized role in the central nervous system (CNS) as the major architectural component of compact myelin.
Matthew P Buman et al.
American journal of epidemiology, 179(3), 323-334 (2013-12-10)
Sleep and sedentary and active behaviors are linked to cardiovascular disease risk biomarkers, and across a 24-hour day, increasing time in 1 behavior requires decreasing time in another. We explored associations of reallocating time to sleep, sedentary behavior, or active
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