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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 18:51:32 UTC
Update Date2022-03-07 02:53:58 UTC
HMDB IDHMDB0034074
Secondary Accession Numbers
  • HMDB34074
Metabolite Identification
Common Name5-Oxooctadecanoic acid
Description5-Oxooctadecanoic 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. Based on a literature review a significant number of articles have been published on 5-Oxooctadecanoic acid.
Structure
Data?1563862505
Synonyms
ValueSource
5-OxooctadecanoateGenerator
5-Ketostearic acidHMDB
5-oxo-Octadecanoic acidHMDB
5-Oxostearic acidHMDB
5-Keto stearateGenerator
Chemical FormulaC18H34O3
Average Molecular Weight298.4608
Monoisotopic Molecular Weight298.250794954
IUPAC Name5-oxooctadecanoic acid
Traditional Name5-keto stearic acid
CAS Registry Number16694-31-8
SMILES
CCCCCCCCCCCCCC(=O)CCCC(O)=O
InChI Identifier
InChI=1S/C18H34O3/c1-2-3-4-5-6-7-8-9-10-11-12-14-17(19)15-13-16-18(20)21/h2-16H2,1H3,(H,20,21)
InChI KeyUIROXHXJKJUFSV-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
  • Ketone
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
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
PropertyValueSource
Water Solubility0.00072 g/LALOGPS
logP6.13ALOGPS
logP5.97ChemAxon
logS-5.6ALOGPS
pKa (Strongest Acidic)4.55ChemAxon
pKa (Strongest Basic)-7.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.37 ŲChemAxon
Rotatable Bond Count16ChemAxon
Refractivity86.93 m³·mol⁻¹ChemAxon
Polarizability38.3 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]+178.5131661259
DarkChem[M-H]-178.0731661259
DeepCCS[M+H]+179.18430932474
DeepCCS[M-H]-175.16530932474
DeepCCS[M-2H]-212.16230932474
DeepCCS[M+Na]+188.08130932474
AllCCS[M+H]+183.732859911
AllCCS[M+H-H2O]+180.832859911
AllCCS[M+NH4]+186.432859911
AllCCS[M+Na]+187.132859911
AllCCS[M-H]-180.932859911
AllCCS[M+Na-2H]-182.332859911
AllCCS[M+HCOO]-183.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
5-Oxooctadecanoic acidCCCCCCCCCCCCCC(=O)CCCC(O)=O3577.4Standard polar33892256
5-Oxooctadecanoic acidCCCCCCCCCCCCCC(=O)CCCC(O)=O2233.6Standard non polar33892256
5-Oxooctadecanoic acidCCCCCCCCCCCCCC(=O)CCCC(O)=O2301.7Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
5-Oxooctadecanoic acid,1TMS,isomer #1CCCCCCCCCCCCCC(=O)CCCC(=O)O[Si](C)(C)C2425.6Semi standard non polar33892256
5-Oxooctadecanoic acid,1TMS,isomer #2CCCCCCCCCCCCCC(=CCCC(=O)O)O[Si](C)(C)C2501.5Semi standard non polar33892256
5-Oxooctadecanoic acid,1TMS,isomer #3CCCCCCCCCCCCC=C(CCCC(=O)O)O[Si](C)(C)C2514.9Semi standard non polar33892256
5-Oxooctadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCC(=CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C2525.0Semi standard non polar33892256
5-Oxooctadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCC(=CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C2500.7Standard non polar33892256
5-Oxooctadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCC=C(CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C2528.7Semi standard non polar33892256
5-Oxooctadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCC=C(CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C2494.7Standard non polar33892256
5-Oxooctadecanoic acid,1TBDMS,isomer #1CCCCCCCCCCCCCC(=O)CCCC(=O)O[Si](C)(C)C(C)(C)C2679.6Semi standard non polar33892256
5-Oxooctadecanoic acid,1TBDMS,isomer #2CCCCCCCCCCCCCC(=CCCC(=O)O)O[Si](C)(C)C(C)(C)C2736.4Semi standard non polar33892256
5-Oxooctadecanoic acid,1TBDMS,isomer #3CCCCCCCCCCCCC=C(CCCC(=O)O)O[Si](C)(C)C(C)(C)C2746.1Semi standard non polar33892256
5-Oxooctadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCC(=CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C3028.9Semi standard non polar33892256
5-Oxooctadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCC(=CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2829.7Standard non polar33892256
5-Oxooctadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCC=C(CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C3025.2Semi standard non polar33892256
5-Oxooctadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCC=C(CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2821.3Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 5-Oxooctadecanoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-014i-5910000000-3d5c791772898211b2912017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Oxooctadecanoic acid GC-MS (1 TMS) - 70eV, Positivesplash10-05ic-9242000000-48a5468a7c14f4a1e8262017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-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 - 5-Oxooctadecanoic acid 10V, Positive-QTOFsplash10-000t-0090000000-ac87aa1371300be6a6ac2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 20V, Positive-QTOFsplash10-0hh9-6590000000-876ceed8cd533c60947f2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 40V, Positive-QTOFsplash10-0006-7910000000-cb61a1340778c9f8541b2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 10V, Negative-QTOFsplash10-0002-0090000000-cc86bb884d7d90d3c8002016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 20V, Negative-QTOFsplash10-0f92-2290000000-38b76c4d31ec4fac8f2b2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 40V, Negative-QTOFsplash10-0a4i-9230000000-b3f6c9476a65f68e35082016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 10V, Positive-QTOFsplash10-01q9-1190000000-8e68033949707e1922ca2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 20V, Positive-QTOFsplash10-03ea-9480000000-582022cbc19b44c99fbb2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 40V, Positive-QTOFsplash10-0a4l-9100000000-82134ae36ac2cfeb938f2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 10V, Negative-QTOFsplash10-0002-0090000000-5206d3778722033bf7e22021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 20V, Negative-QTOFsplash10-0002-3190000000-c7057c900a50eb2ca16e2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Oxooctadecanoic acid 40V, Negative-QTOFsplash10-054p-9630000000-94893d6067ba65b829f52021-09-24Wishart 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 IDFDB012332
KNApSAcK IDNot Available
Chemspider ID77153
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound85548
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. 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. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.