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Merck
CN

52853

7α-Hydroxy-4-cholesten-3-one

≥95.0% (HPLC)

Synonym(s):

7α-Hydroxycholest-4-en-3-one

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About This Item

Empirical Formula (Hill Notation):
C27H44O2
CAS Number:
3862-25-7
Molecular Weight:
400.64
NACRES:
NA.24
PubChem Substance ID:
329757894
UNSPSC Code:
41116107
MDL number:
MFCD00870345

Key Documents

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InChI key

IOIZWEJGGCZDOL-RQDYSCIWSA-N

SMILES string

O=C1CC[C@@]2(C)C(C[C@@H](O)[C@]3([H])[C@]2([H])CC[C@@]4(C)[C@@]3([H])CC[C@]4([H])[C@H](C)CCCC(C)C)=C1

InChI

1S/C27H44O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h15,17-18,21-25,29H,6-14,16H2,1-5H3/t18-,21-,22+,23+,24-,25+,26+,27-/m1/s1

grade

analytical standard

assay

≥95.0% (HPLC)

application(s)

clinical testing

format

neat

storage temp.

−20°C

Quality Level

100

Related Categories

General description

7α-Hydroxy-4-cholesten-3-one (C4) is known as a marker for the cholesterol 7α-hydroxylase activity. It plays an important role in bile acid metabolism.

Application

C4 may be used as a reference standard for the determination of C4 in:
  • Human serum by ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) with electrospray ionization source (ESI) as well as LC-MS.
  • Rat and monkey plasma by LC-ESI-MS/MS working on multiple reaction monitoring (MRM) mode of detection.
  • Peripheral blood plasma by solid-phase extraction (SPE) and HPLC.

Biochem/physiol Actions

7a-Hydroxycholestene-3-one, a metabolite in bile acid synthesis, is derived from 7a-hydroxycholesterol and can be further metabolized to 7a,12a,-dihydroxycholest-4-en-3-one. Analysis of 7a-Hydroxycholestene-3-one (HCO) in serum may serve as a novel, simple, and sensitive method for the detection of bile acid malabsorption in patients with chronic diarrhea of unknown origin.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN7046
BCCL2141
BCCK3411
BCCJ7832
BCCJ7833

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A UHPLC-MS/MS method for the quantification of 7?-hydroxy-4-cholesten-3-one to assist in diagnosis of bile acid malabsorption.
Prost JC, et al.
Clinical mass spectrometry, 3, 1-6 (2017)
Michael K Badman et al.
Clinical pharmacology in drug development, 9(3), 395-410 (2019-12-12)
Tropifexor (LJN452) is a potent, orally available, non-bile acid farnesoid X receptor agonist under clinical development for chronic liver diseases. Here, we present results from a first-in-human study of tropifexor following single- and multiple-ascending doses (SAD/MAD) and food effect substudy
Monitoring hepatic cholesterol 7?-hydroxylase activity by assay of the stable bile acid intermediate 7?-hydroxy-4-cholesten-3-one in peripheral blood.
Galman C, et al.
Journal of Lipid Research, 44(4), 859-866 (2003)
Lijuan Kang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1064, 49-55 (2017-09-16)
7α-hydroxy-4-cholesten-3-one (C4) is an oxidative enzymatic product of cholesterol metabolism via cholesterol 7α-hydroxylase, an enzyme also known as cholesterol 7-alpha-monooxygenase or cytochrome P450 7A1 (CYP7A1). C4 is a stable intermediate in the rate limiting pathway of bile acid biosynthesis. Previous
Comparison of simple extraction procedures in liquid chromatography-mass spectrometry based determination of serum 7?-hydroxy-4-cholesten-3-one, a surrogate marker of bile acid synthesis.
Marek L, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 1033, 317-320 (2016)
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