24-Ketocholesterol

About 24-Ketocholesterol

24-Ketocholesterol is an impurity of Cholesterol carrying the CAS registry number 17752-16-8. With the molecular formula C27H44O2, it has a molar mass of 400.6 g/mol. Alternative names: 24-oxocholesterol and 24-oxo-cholest-5-en-3beta-ol.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Cholesterol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 24-Ketocholesterol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Cholesterol

View every impurity, metabolite and intermediate we list for Cholesterol.

Cholesterol impurities

Specifications & identifiers

Chemical identifiers
Product name	24-Ketocholesterol
Catalogue No.	VQ-044406
CAS Number	17752-16-8
IUPAC name	(6R)-6-[(3S,10R,13R,17R)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methylheptan-3-one
Molecular formula	C₂₇H₄₄O₂
Molecular weight	400.6 g/mol
Exact mass	400.3341
Grade	Reference Standard
HSN code	38229090
InChIKey	PGLNLCWHYQYRGQ-LBEZNTKZSA-N
SMILES	C[C@H](CCC(=O)C(C)C)[C@H]1CCC2[C@@]1(CCC3C2CC=C4[C@@]3(CC[C@@H](C4)O)C)C
PubChem CID	24779599

Physical properties
Physical form	Solid
LogP (XLogP3)	6.6
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 24-Ketocholesterol?

The CAS Registry Number of 24-Ketocholesterol is 17752-16-8. It is also known as 24-oxocholesterol, 24-oxo-cholest-5-en-3beta-ol.

What is the molecular formula and molecular weight of 24-Ketocholesterol?

24-Ketocholesterol has the molecular formula C27H44O2 and a molecular weight of 400.6 g/mol. Its IUPAC name is (6R)-6-[(3S,10R,13R,17R)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methylheptan-3-one.

What is 24-Ketocholesterol used for?

24-Ketocholesterol is supplied as a characterised reference material related to Cholesterol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 24-Ketocholesterol can I order?

We supply 24-Ketocholesterol in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 24-Ketocholesterol?

Yes. Every lot of 24-Ketocholesterol is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 24-Ketocholesterol be shipped internationally?

Yes. We export 24-Ketocholesterol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.