Record Information
Version1.0
Creation Date2016-09-30 23:25:45 UTC
Update Date2020-04-22 15:18:30 UTC
BMDB IDBMDB0006764
Secondary Accession Numbers
  • BMDB06764
Metabolite Identification
Common Name17a,20a-Dihydroxycholesterol
Description17a,20a-Dihydroxycholesterol belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core. 17a,20a-Dihydroxycholesterol is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC27H46O3
Average Molecular Weight418.662
Monoisotopic Molecular Weight418.344695341
IUPAC Name(1S,2R,5S,10R,14R,15S)-14-[(2R)-2-hydroxy-6-methylheptan-2-yl]-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-ene-5,14-diol
Traditional Name(1S,2R,5S,10R,14R,15S)-14-[(2R)-2-hydroxy-6-methylheptan-2-yl]-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-ene-5,14-diol
CAS Registry NumberNot Available
SMILES
[H]C12CC[C@](O)([C@](C)(O)CCCC(C)C)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CC=C2C[C@@]([H])(O)CC[C@]12C
InChI Identifier
InChI=1S/C27H46O3/c1-18(2)7-6-13-26(5,29)27(30)16-12-23-21-9-8-19-17-20(28)10-14-24(19,3)22(21)11-15-25(23,27)4/h8,18,20-23,28-30H,6-7,9-17H2,1-5H3/t20-,21+,22-,23?,24-,25-,26+,27+/m0/s1
InChI KeyPRZXKPDANWDCNC-WNWSFLALSA-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
  • 17-hydroxysteroid
  • 3-beta-hydroxysteroid
  • 3-beta-hydroxy-delta-5-steroid
  • 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 DescriptorsNot Available
Ontology
StatusExpected but not Quantified
Origin
  • Endogenous
  • Exogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cell membrane
  • Cytoplasm
  • Membrane
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP5.05ALOGPS
logP4.87ChemAxon
logS-4.9ALOGPS
pKa (Strongest Acidic)13.25ChemAxon
pKa (Strongest Basic)-1.4ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area60.69 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity123.6 m³·mol⁻¹ChemAxon
Polarizability52.03 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0uxr-0003900000-f535ba20543aafa8bd7eView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0fl9-9048500000-57767148817dd16563d3View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0avi-9125000000-7949d9d82d4f9d3b2002View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-0002900000-95b5f04d6c6ec228cfafView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-014s-2485900000-cd3f9e369ac3a24ebfe1View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0079-1194100000-2d013ecd999936b89e11View in MoNA
Biological Properties
Cellular Locations
  • Cell membrane
  • Cytoplasm
  • Membrane
Biospecimen LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available