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Merck

1131960

USP

Colesterol

United States Pharmacopeia (USP) Reference Standard

Sinónimos:

3β-Hidroxi-5-colesteno, 5-Colesten-3β-ol

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About This Item

Fórmula empírica (notación de Hill):
C27H46O
Número de CAS:
Peso molecular:
386.65
Beilstein/REAXYS Number:
1915888
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

biological source

sheep

grade

pharmaceutical primary standard

API family

cholesterol

manufacturer/tradename

USP

bp

360 °C (lit.)

mp

147-149 °C (lit.)

density

1.067 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

−20°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

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General description

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”.

Biochem/physiol Actions

Componente principal de todas las membranas biológicas; ~ el 25 % de todos los lípidos cerebrales es colesterol.

Analysis Note

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.  ​

Other Notes

Sales restrictions may apply.

related product

Referencia del producto
Descripción
Precios

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Visite la Librería de documentos

USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 42(2), 5716-5716 (2020)
Omega-3 Free Fatty Acids
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 47(3), 5188-5188 (2019)

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