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USP

Cholesterol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C27H46O
CAS Number:
Molecular Weight:
386.65
Beilstein:
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

Major component of all biological membranes; ~25% of total brain lipid is cholesterol.

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.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 42(2), 5716-5716 (2020)

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