14606

Cholesterin

tested according to Ph. Eur.

• Synonym(e): Cholesterolum, 3β-Hydroxy-5-cholesten, 5-Cholesten-3β-ol
• Empirische Formel (Hill-System): C₂₇H₄₆O
• CAS-Nummer: 57-88-5
• Molekulargewicht: 386.65
• Beilstein: 1915888
• EG-Nummer: 200-353-2
• MDL-Nummer: MFCD00003646
• UNSPSC-Code: 41141804
• PubChem Substanz-ID: 329750548
• NACRES: NA.21

Eigenschaften

• Agentur: USP/NF; tested according to Ph. Eur.
• Qualitätsniveau: 100
• Form: powder
• bp: 360 °C (lit.)
• mp (Schmelzpunkt): 147-149 °C (lit.)
• Löslichkeit: 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
• Dichte: 1.067 g/mL at 25 °C (lit.)
• Anwendung(en): pharmaceutical (small molecule)
• Lagertemp.: 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
• InChIKey: HVYWMOMLDIMFJA-DPAQBDIFSA-N
• Angaben zum Gen: human ... POLA1(5422) , TOP2A(7153) ; rat ... Ar(24208) , Polb(29240)

Beschreibung

Anwendung

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. Wirkung

Hauptbestandteil biologischer Membranen; ca. 25% des gesamten Lipids im Gehirn ist Cholesterin.

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.

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type N95 (US)