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Version5.0
StatusExpected but not Quantified
Creation Date2008-10-15 12:12:16 UTC
Update Date2022-03-07 02:51:03 UTC
HMDB IDHMDB0010736
Secondary Accession Numbers
  • HMDB10736
Metabolite Identification
Common Name3-Oxooctadecanoic acid
Description3-Oxooctadecanoic acid, also known as 3-keto stearic acid or 3-oxostearate, 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. Based on a literature review a significant number of articles have been published on 3-Oxooctadecanoic acid.
Structure
Data?1582752867
Synonyms
ValueSource
3-Keto stearic acidChEBI
3-Ketostearic acidChEBI
3-Oxostearic acidChEBI
3-Keto stearateGenerator
3-KetostearateGenerator
3-OxostearateGenerator
3-OxooctadecanoateGenerator
3-oxo-OctadecanoateHMDB
3-oxo-Octadecanoic acidHMDB
Chemical FormulaC18H34O3
Average Molecular Weight298.4608
Monoisotopic Molecular Weight298.250794954
IUPAC Name3-oxooctadecanoic acid
Traditional Name3-oxooctadecanoic acid
CAS Registry NumberNot Available
SMILES
CCCCCCCCCCCCCCCC(=O)CC(O)=O
InChI Identifier
InChI=1S/C18H34O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-17(19)16-18(20)21/h2-16H2,1H3,(H,20,21)
InChI KeyYQGGUZWHNVQJMF-UHFFFAOYSA-N
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
  • Beta-keto acid
  • Keto fatty acid
  • Beta-hydroxy ketone
  • Keto acid
  • 1,3-dicarbonyl compound
  • Ketone
  • Carboxylic acid
  • Carboxylic acid derivative
  • Monocarboxylic acid or derivatives
  • Organooxygen compound
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic oxide
  • Organic oxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
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
PropertyValueSource
Water Solubility0.00032 g/LALOGPS
logP6.51ALOGPS
logP6.48ChemAxon
logS-6ALOGPS
pKa (Strongest Acidic)4.44ChemAxon
pKa (Strongest Basic)-7.5ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.37 ŲChemAxon
Rotatable Bond Count16ChemAxon
Refractivity86.98 m³·mol⁻¹ChemAxon
Polarizability38.17 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+178.93831661259
DarkChem[M-H]-179.17731661259
DeepCCS[M+H]+178.82630932474
DeepCCS[M-H]-174.80630932474
DeepCCS[M-2H]-211.82630932474
DeepCCS[M+Na]+187.78930932474
AllCCS[M+H]+183.832859911
AllCCS[M+H-H2O]+180.932859911
AllCCS[M+NH4]+186.532859911
AllCCS[M+Na]+187.232859911
AllCCS[M-H]-180.532859911
AllCCS[M+Na-2H]-181.832859911
AllCCS[M+HCOO]-183.332859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
3-Oxooctadecanoic acidCCCCCCCCCCCCCCCC(=O)CC(O)=O3458.2Standard polar33892256
3-Oxooctadecanoic acidCCCCCCCCCCCCCCCC(=O)CC(O)=O2194.2Standard non polar33892256
3-Oxooctadecanoic acidCCCCCCCCCCCCCCCC(=O)CC(O)=O2289.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
3-Oxooctadecanoic acid,1TMS,isomer #1CCCCCCCCCCCCCCCC(=O)CC(=O)O[Si](C)(C)C2344.1Semi standard non polar33892256
3-Oxooctadecanoic acid,1TMS,isomer #2CCCCCCCCCCCCCCCC(=CC(=O)O)O[Si](C)(C)C2467.5Semi standard non polar33892256
3-Oxooctadecanoic acid,1TMS,isomer #3CCCCCCCCCCCCCCC=C(CC(=O)O)O[Si](C)(C)C2432.2Semi standard non polar33892256
3-Oxooctadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2502.8Semi standard non polar33892256
3-Oxooctadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2473.5Standard non polar33892256
3-Oxooctadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2424.0Standard polar33892256
3-Oxooctadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2486.4Semi standard non polar33892256
3-Oxooctadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2478.4Standard non polar33892256
3-Oxooctadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2447.1Standard polar33892256
3-Oxooctadecanoic acid,1TBDMS,isomer #1CCCCCCCCCCCCCCCC(=O)CC(=O)O[Si](C)(C)C(C)(C)C2606.3Semi standard non polar33892256
3-Oxooctadecanoic acid,1TBDMS,isomer #2CCCCCCCCCCCCCCCC(=CC(=O)O)O[Si](C)(C)C(C)(C)C2736.0Semi standard non polar33892256
3-Oxooctadecanoic acid,1TBDMS,isomer #3CCCCCCCCCCCCCCC=C(CC(=O)O)O[Si](C)(C)C(C)(C)C2697.5Semi standard non polar33892256
3-Oxooctadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C3003.3Semi standard non polar33892256
3-Oxooctadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2795.6Standard non polar33892256
3-Oxooctadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2688.2Standard polar33892256
3-Oxooctadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2974.8Semi standard non polar33892256
3-Oxooctadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2808.3Standard non polar33892256
3-Oxooctadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2697.2Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 3-Oxooctadecanoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-000i-9320000000-30fcc98325e883ff2c4b2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-Oxooctadecanoic acid GC-MS (1 TMS) - 70eV, Positivesplash10-05bu-9342000000-53590d2028af73ba12582017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-Oxooctadecanoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 10V, Positive-QTOFsplash10-001i-0090000000-c92ccd9bdaf0a5bbbcf52017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 20V, Positive-QTOFsplash10-0gws-3390000000-25693f5be5bdc81ecaeb2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 40V, Positive-QTOFsplash10-052f-9820000000-312ec0684339106f40442017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 10V, Negative-QTOFsplash10-0f6t-0090000000-0c6a4bd1ce89cda170912017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 20V, Negative-QTOFsplash10-0udi-3090000000-68e6a48b5ef351653b9d2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 40V, Negative-QTOFsplash10-0a4l-9130000000-7c3d01c9780453c7a5e82017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 10V, Positive-QTOFsplash10-0002-1190000000-9114a2551462571a28d72021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 20V, Positive-QTOFsplash10-06yk-9650000000-1f742a135322377282bd2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 40V, Positive-QTOFsplash10-0a4i-9000000000-00a33a2daeb063c524ff2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 10V, Negative-QTOFsplash10-052b-6090000000-d934eedb1c472831598b2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 20V, Negative-QTOFsplash10-0a4i-9010000000-9ee6fb8946a2ae38da662021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxooctadecanoic acid 40V, Negative-QTOFsplash10-0006-9000000000-beb142053d5c58d027dd2021-09-22Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB027883
KNApSAcK IDNot Available
Chemspider ID4446132
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5283005
PDB IDNot Available
ChEBI ID50576
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. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.