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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2008-10-15 12:12:16 UTC
Update Date2022-03-07 02:51:02 UTC
HMDB IDHMDB0010733
Secondary Accession Numbers
  • HMDB10733
Metabolite Identification
Common Name3-Oxohexadecanoic acid
DescriptionIn humans fatty acids are predominantly formed in the liver and adipose tissue, and mammary glands during lactation. 3-Oxo-hexadecanoic acid is an intermediate in fatty acid biosynthesis. Specifically, 3-Oxo-hexadecanoic acid is converted from Malonic acid via three enzymes; 3-oxoacyl-[acyl-carrier-protein] synthase, fatty-acid Synthase and beta-ketoacyl -acyl-carrier-protein synthase II. (EC:2.3.1.41, E.C: 2.3.1.85, 2.3.1.179).
Structure
Data?1582752867
Synonyms
ValueSource
3-Keto palmitic acidChEBI
3-Keto palmitateGenerator
3-OxohexadecanoateGenerator
3-oxo-HexadecanoateHMDB
3-oxo-Hexadecanoic acidHMDB
Chemical FormulaC16H30O3
Average Molecular Weight270.4076
Monoisotopic Molecular Weight270.219494826
IUPAC Name3-oxohexadecanoic acid
Traditional Name3-oxohexadecanoic acid
CAS Registry NumberNot Available
SMILES
CCCCCCCCCCCCCC(=O)CC(O)=O
InChI Identifier
InChI=1S/C16H30O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-15(17)14-16(18)19/h2-14H2,1H3,(H,18,19)
InChI KeyASICPMTWQSESKX-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 Solubility0.0012 g/LALOGPS
logP5.59ALOGPS
logP5.59ChemAxon
logS-5.4ALOGPS
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 Count14ChemAxon
Refractivity77.78 m³·mol⁻¹ChemAxon
Polarizability33.9 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+171.18731661259
DarkChem[M-H]-170.47831661259
DeepCCS[M+H]+171.12830932474
DeepCCS[M-H]-167.10830932474
DeepCCS[M-2H]-204.34930932474
DeepCCS[M+Na]+180.19730932474
AllCCS[M+H]+173.932859911
AllCCS[M+H-H2O]+170.732859911
AllCCS[M+NH4]+176.732859911
AllCCS[M+Na]+177.632859911
AllCCS[M-H]-172.832859911
AllCCS[M+Na-2H]-173.832859911
AllCCS[M+HCOO]-175.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
3-Oxohexadecanoic acidCCCCCCCCCCCCCC(=O)CC(O)=O3231.8Standard polar33892256
3-Oxohexadecanoic acidCCCCCCCCCCCCCC(=O)CC(O)=O2001.0Standard non polar33892256
3-Oxohexadecanoic acidCCCCCCCCCCCCCC(=O)CC(O)=O2097.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
3-Oxohexadecanoic acid,1TMS,isomer #1CCCCCCCCCCCCCC(=O)CC(=O)O[Si](C)(C)C2144.6Semi standard non polar33892256
3-Oxohexadecanoic acid,1TMS,isomer #2CCCCCCCCCCCCCC(=CC(=O)O)O[Si](C)(C)C2275.6Semi standard non polar33892256
3-Oxohexadecanoic acid,1TMS,isomer #3CCCCCCCCCCCCC=C(CC(=O)O)O[Si](C)(C)C2230.6Semi standard non polar33892256
3-Oxohexadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2305.7Semi standard non polar33892256
3-Oxohexadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2288.2Standard non polar33892256
3-Oxohexadecanoic acid,2TMS,isomer #1CCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2248.9Standard polar33892256
3-Oxohexadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2290.8Semi standard non polar33892256
3-Oxohexadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2292.0Standard non polar33892256
3-Oxohexadecanoic acid,2TMS,isomer #2CCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C)O[Si](C)(C)C2271.9Standard polar33892256
3-Oxohexadecanoic acid,1TBDMS,isomer #1CCCCCCCCCCCCCC(=O)CC(=O)O[Si](C)(C)C(C)(C)C2396.0Semi standard non polar33892256
3-Oxohexadecanoic acid,1TBDMS,isomer #2CCCCCCCCCCCCCC(=CC(=O)O)O[Si](C)(C)C(C)(C)C2532.5Semi standard non polar33892256
3-Oxohexadecanoic acid,1TBDMS,isomer #3CCCCCCCCCCCCC=C(CC(=O)O)O[Si](C)(C)C(C)(C)C2486.9Semi standard non polar33892256
3-Oxohexadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2792.6Semi standard non polar33892256
3-Oxohexadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2630.8Standard non polar33892256
3-Oxohexadecanoic acid,2TBDMS,isomer #1CCCCCCCCCCCCCC(=CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2523.2Standard polar33892256
3-Oxohexadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2764.9Semi standard non polar33892256
3-Oxohexadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2641.3Standard non polar33892256
3-Oxohexadecanoic acid,2TBDMS,isomer #2CCCCCCCCCCCCC=C(CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2532.4Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 3-Oxohexadecanoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-000i-9310000000-cbe87b90e0d76d0b7b6e2016-09-22Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-Oxohexadecanoic acid GC-MS (1 TMS) - 70eV, Positivesplash10-00bl-9350000000-19098d6766f5fe366a8f2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-Oxohexadecanoic 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-Oxohexadecanoic acid 10V, Positive-QTOFsplash10-0fk9-0090000000-88cb17654019c375fd8f2016-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 20V, Positive-QTOFsplash10-0kdi-4490000000-fc10db895a02dece8e0a2016-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 40V, Positive-QTOFsplash10-052f-9510000000-b641ae801d89654561fa2016-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 10V, Negative-QTOFsplash10-016r-0090000000-b91ff4f42c7f821755072016-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 20V, Negative-QTOFsplash10-056r-3190000000-9e44b40dad6342cd32b22016-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 40V, Negative-QTOFsplash10-0a4i-9120000000-7ca7725026a1f8e6fcb52016-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 10V, Positive-QTOFsplash10-00di-4390000000-dab592b70c28c9cf26572021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 20V, Positive-QTOFsplash10-0532-9310000000-cb95e5a1dca3b4f18e8e2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 40V, Positive-QTOFsplash10-0a59-9000000000-d6b400ba2d3113fe293c2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 10V, Negative-QTOFsplash10-066r-6090000000-143c55201e82a73f862c2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 20V, Negative-QTOFsplash10-0a4i-9010000000-ac0f75bfdcd4c57c57fe2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-Oxohexadecanoic acid 40V, Negative-QTOFsplash10-0006-9000000000-5043f12dfe53406fde8d2021-09-23Wishart 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 IDFDB027880
KNApSAcK IDNot Available
Chemspider ID4446124
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5282997
PDB IDNot Available
ChEBI ID37251
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.

Enzymes

General function:
Involved in transferase activity
Specific function:
Fatty acid synthetase catalyzes the formation of long-chain fatty acids from acetyl-CoA, malonyl-CoA and NADPH. This multifunctional protein has 7 catalytic activities and an acyl carrier protein.
Gene Name:
FASN
Uniprot ID:
P49327
Molecular weight:
273424.06
General function:
Involved in catalytic activity
Specific function:
May play a role in the biosynthesis of lipoic acid as well as longer chain fatty acids required for optimal mitochondrial function.
Gene Name:
OXSM
Uniprot ID:
Q9NWU1
Molecular weight:
40034.535