C79409

Cholesteryl stearate

96%

• Synonym(s): 5-Cholesten-3β-yl octadecanoate
• Empirical Formula (Hill Notation): C₄₅H₈₀O₂
• CAS Number: 35602-69-8
• Molecular Weight: 653.12
• Beilstein/REAXYS Number: 2068492
• EC Number: 252-637-0
• MDL number: MFCD00003639
• UNSPSC Code: 12352108
• PubChem Substance ID: 24892584
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 96%
• form: powder
• optical activity: [α]25/D −21°, c = 2 in chloroform
• mp: 79-83 °C (lit.)
• transition temp: cholesteric phase to smectic phase 75.5 °C; isotropic phase to cholesteric phase 79.5 °C; crystalline phase to isotropic phase 83 °C
• SMILES string: CCCCCCCCCCCCCCCCCC(=O)O[C@H]1CC[C@]2(C)C3CC[C@]4(C)C(CCC4C3CC=C2C1)[C@H](C)CCCC(C)C
• InChI: 1S/C45H80O2/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25-43(46)47-38-30-32-44(5)37(34-38)26-27-39-41-29-28-40(36(4)24-22-23-35(2)3)45(41,6)33-31-42(39)44/h26,35-36,38-42H,7-25,27-34H2,1-6H3/t36-,38+,39+,40-,41+,42+,44+,45-/m1/s1
• InChI key: XHRPOTDGOASDJS-XNTGVSEISA-N

Description

General description

Cholesteryl stearate is a stearic acid ester of cholesterol. In solid-state, its autoxidation is higher than its free form.[1]

Application

It can be used as a reference standard during the determination of tocopherols and sterols in vegetable oils by GC.[2]

Safety Information

• 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)