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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-10 22:39:33 UTC
Update Date2021-09-26 22:54:10 UTC
HMDB IDHMDB0245600
Secondary Accession NumbersNone
Metabolite Identification
Common Name20alpha-hydroxy cholesterol
Description20alpha-hydroxy cholesterol belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core. Based on a literature review very few articles have been published on 20alpha-hydroxy cholesterol. This compound has been identified in human blood as reported by (PMID: 31557052 ). 20alpha-hydroxy cholesterol is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 20alpha-hydroxy cholesterol is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
20a-Hydroxy cholesterolGenerator
20Α-hydroxy cholesterolGenerator
(20S)-Cholest-5-ene-3 beta,20-diolHMDB
20 alpha-HydroxycholesterolHMDB
20-HydroxycholesterolHMDB
20-Hydroxycholesterol, (3beta,20 xi)-isomerHMDB
(20S)-20-HydroxycholesterolHMDB
20-Hydroxycholesterol, 3H-labeled, (3beta,20 xi)-isomerHMDB
20R-HydroxycholesterolHMDB
20alpha-HydroxycholesterolHMDB
Chemical FormulaC27H46O2
Average Molecular Weight402.663
Monoisotopic Molecular Weight402.349780721
IUPAC Name14-(2-hydroxy-6-methylheptan-2-yl)-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-5-ol
Traditional Name14-(2-hydroxy-6-methylheptan-2-yl)-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-5-ol
CAS Registry NumberNot Available
SMILES
CC(C)CCCC(C)(O)C1CCC2C3CC=C4CC(O)CCC4(C)C3CCC12C
InChI Identifier
InChI=1S/C27H46O2/c1-18(2)7-6-14-27(5,29)24-11-10-22-21-9-8-19-17-20(28)12-15-25(19,3)23(21)13-16-26(22,24)4/h8,18,20-24,28-29H,6-7,9-17H2,1-5H3
InChI KeyMCKLJFJEQRYRQT-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassCholestane steroids
Direct ParentCholesterols and derivatives
Alternative Parents
Substituents
  • Cholesterol-skeleton
  • Cholesterol
  • 20-hydroxysteroid
  • Hydroxysteroid
  • 3-hydroxysteroid
  • 3-hydroxy-delta-5-steroid
  • Delta-5-steroid
  • Tertiary alcohol
  • Cyclic alcohol
  • Secondary alcohol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID2613405
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound3367711
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]