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Record Information
Version2.0
Created at2022-09-01 21:34:42 UTC
Updated at2022-09-01 21:34:42 UTC
NP-MRD IDNP0142925
Secondary Accession NumbersNone
Natural Product Identification
Common Namemethost-8-enol
Description4Alpha-methyl-5alpha-cholest-8-en-3beta-ol, also known as methost-8-enol or 4α-methylcholesta-8-en-3β-ol, belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core. Thus, 4alpha-methyl-5alpha-cholest-8-en-3beta-ol is considered to be a sterol lipid molecule. methost-8-enol is found in Agelas oroides, Agelas sceptrum and Scrippsiella trochoidea. methost-8-enol was first documented in 1982 (PMID: 7104833). 4Alpha-methyl-5alpha-cholest-8-en-3beta-ol is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral.
Structure
Thumb
Synonyms
ValueSource
4alpha-Methylcholesta-8-en-3beta-olChEBI
Methost-8-enolChEBI
4a-Methylcholesta-8-en-3b-olGenerator
4Α-methylcholesta-8-en-3β-olGenerator
4a-Methyl-5a-cholest-8-en-3b-olGenerator
4Α-methyl-5α-cholest-8-en-3β-olGenerator
Chemical FormulaC28H48O
Average Mass400.6910 Da
Monoisotopic Mass400.37052 Da
IUPAC Name(2S,5S,6S,7S,11R,14R,15R)-2,6,15-trimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-1(10)-en-5-ol
Traditional Name(2S,5S,6S,7S,11R,14R,15R)-2,6,15-trimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-1(10)-en-5-ol
CAS Registry NumberNot Available
SMILES
CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2C3=C(CC[C@]12C)[C@@]1(C)CC[C@H](O)[C@@H](C)[C@@H]1CC3
InChI Identifier
InChI=1S/C28H48O/c1-18(2)8-7-9-19(3)22-12-13-24-21-10-11-23-20(4)26(29)15-17-28(23,6)25(21)14-16-27(22,24)5/h18-20,22-24,26,29H,7-17H2,1-6H3/t19-,20+,22-,23+,24+,26+,27-,28+/m1/s1
InChI KeySCEZIHJVTBQOLS-YIJYGBTNSA-N
Experimental Spectra
Not Available
Predicted Spectra
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Agelas oroidesLOTUS Database
Agelas sceptrumLOTUS Database
Scrippsiella trochoideaLOTUS Database
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
  • 3-beta-hydroxysteroid
  • Hydroxysteroid
  • 3-hydroxysteroid
  • Cyclic alcohol
  • Secondary alcohol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External Descriptors
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP6.73ALOGPS
logP7.43ChemAxon
logS-6.4ALOGPS
pKa (Strongest Acidic)18.96ChemAxon
pKa (Strongest Basic)-1.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area20.23 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity124.82 m³·mol⁻¹ChemAxon
Polarizability52.52 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0062394
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB 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 Compound6452640
PDB IDNot Available
ChEBI ID87051
Good Scents IDNot Available
References
General References
  1. Masse R, Huang YS, Eid K, Laliberte C, Davignon J: Plasma methyl sterol sulfates in familial hypercholesterolemia after partial ileal bypass. Can J Biochem. 1982 May;60(5):556-63. doi: 10.1139/o82-068. [PubMed:7104833 ]
  2. LOTUS database [Link]