1131960

Cholestérol

United States Pharmacopeia (USP) Reference Standard

• Synonyme(s) : 3β-hydroxy-5-cholestène, 5-Cholestén-3β-ol
• Formule empirique (notation de Hill): C₂₇H₄₆O
• Numéro CAS: 57-88-5
• Poids moléculaire : 386.65
• Numéro Beilstein : 1915888
• Numéro MDL: MFCD00003646
• Code UNSPSC : 41116107
• ID de substance PubChem : 329749359
• Nomenclature NACRES : NA.24

Propriétés

• Source biologique: sheep
• Qualité: pharmaceutical primary standard
• Famille d'API: cholesterol
• Fabricant/nom de marque: USP
• Point d'ébullition: 360 °C (lit.)
• Pf: 147-149 °C (lit.)
• Densité: 1.067 g/mL at 25 °C (lit.)
• Application(s): pharmaceutical (small molecule)
• Format: neat
• Température de stockage: −20°C
• Chaîne SMILES: 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
• Clé InChI: HVYWMOMLDIMFJA-DPAQBDIFSA-N

Description

Description générale

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including MSDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Application

This USP reference standard is intended for use in specified quality tests and assays as specified in the USP compendia.
It is also used to prepare standard solution for cholesterol assay and system suitability solution for the detection of impurities in cholesterol samples using gas chromatography (GC) coupled to flame ionization detector (FID) in accordance with the United States Pharmacopeia (USP) monograph “Cholesterol”.
In addition, it is used in the detection of cholesterol impurity in omega-3 free fatty acids to prepare a standard stock solution in n-hexane for analysis by GC-FID, following USP monograph “Omega-3 Free Fatty Acids”.

Actions biochimiques/physiologiques

Constituant majeur de toutes les membranes biologiques ; le cholestérol représente ~25 % des lipides totaux du cerveau.

Remarque sur l'analyse

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Autres remarques

Sales restrictions may apply.

Informations sur la sécurité

• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable