Np mrd loader

Record Information
Version1.0
Created at2022-09-03 06:53:18 UTC
Updated at2022-09-03 06:53:18 UTC
NP-MRD IDNP0170666
Secondary Accession NumbersNone
Natural Product Identification
Common Nameα-hydroxystearic acid
Description2-Hydroxyoctadecanoic acid, also known as a-hydroxystearate or alpha-hydroxystearic acid, belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. α-hydroxystearic acid is found in Allamanda cathartica and Aplysina fistularis. It was first documented in 1959 (PMID: 13661981). 2-Hydroxyoctadecanoic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral (PMID: 21417341) (PMID: 22339649) (PMID: 4385515).
Structure
Thumb
Synonyms
ValueSource
2-Hydroxystearic acidChEBI
alpha-Hydroxyoctadecanoic acidChEBI
alpha-Hydroxystearic acidChEBI
2-HydroxystearateGenerator
a-HydroxyoctadecanoateGenerator
a-Hydroxyoctadecanoic acidGenerator
alpha-HydroxyoctadecanoateGenerator
Α-hydroxyoctadecanoateGenerator
Α-hydroxyoctadecanoic acidGenerator
a-HydroxystearateGenerator
a-Hydroxystearic acidGenerator
alpha-HydroxystearateGenerator
Α-hydroxystearateGenerator
Α-hydroxystearic acidGenerator
2-HydroxyoctadecanoateGenerator
DL-2-Hydroxy stearateGenerator, HMDB
2-Hydroxyoctadecanoic acidHMDB
Chemical FormulaC18H36O3
Average Mass300.4830 Da
Monoisotopic Mass300.26645 Da
IUPAC Name2-hydroxyoctadecanoic acid
Traditional Nameα-hydroxystearic acid
CAS Registry NumberNot Available
SMILES
CCCCCCCCCCCCCCCCC(O)C(O)=O
InChI Identifier
InChI=1S/C18H36O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17(19)18(20)21/h17,19H,2-16H2,1H3,(H,20,21)
InChI KeyKIHBGTRZFAVZRV-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Allamanda catharticaLOTUS Database
Aplysina fistularisLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentLong-chain fatty acids
Alternative Parents
Substituents
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Alpha-hydroxy acid
  • Hydroxy acid
  • Monosaccharide
  • Secondary alcohol
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Alcohol
  • Hydrocarbon derivative
  • Organic oxide
  • Carbonyl group
  • Organic oxygen compound
  • Organooxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic 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
logP7.07ALOGPS
logP6.27ChemAxon
logS-5.5ALOGPS
pKa (Strongest Acidic)4.26ChemAxon
pKa (Strongest Basic)-3.8ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 ŲChemAxon
Rotatable Bond Count16ChemAxon
Refractivity87.78 m³·mol⁻¹ChemAxon
Polarizability39.42 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0062549
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 Compound69417
PDB IDNot Available
ChEBI ID19660
Good Scents IDNot Available
References
General References
  1. SKIPSKI VP, ARFIN SM, RAPPORT MM: Identification of 2-hydroxystearic acid in spinal cord phrenosine by chromatographic separation of hydroxy fatty acids. Arch Biochem Biophys. 1959 Jun;82(2):487-8. doi: 10.1016/0003-9861(59)90152-3. [PubMed:13661981 ]
  2. Lendrum CD, Ingham B, Lin B, Meron M, Toney MF, McGrath KM: Nonequilibrium 2-hydroxyoctadecanoic acid monolayers: effect of electrolytes. Langmuir. 2011 Apr 19;27(8):4430-8. doi: 10.1021/la104938f. Epub 2011 Mar 18. [PubMed:21417341 ]
  3. Abraham S, Lan Y, Lam RS, Grahame DA, Kim JJ, Weiss RG, Rogers MA: Influence of positional isomers on the macroscale and nanoscale architectures of aggregates of racemic hydroxyoctadecanoic acids in their molecular gel, dispersion, and solid states. Langmuir. 2012 Mar 20;28(11):4955-64. doi: 10.1021/la204412t. Epub 2012 Mar 6. [PubMed:22339649 ]
  4. Lippel K, Mead JF: Alpha-oxidation of 2-hydroxystearic acid in vitro. Biochim Biophys Acta. 1968 Jul 1;152(4):669-80. doi: 10.1016/0005-2760(68)90113-6. [PubMed:4385515 ]
  5. LOTUS database [Link]