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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2006-05-22 14:17:49 UTC
Update Date2022-03-07 02:49:14 UTC
HMDB IDHMDB0002345
Secondary Accession Numbers
  • HMDB02345
Metabolite Identification
Common NameHeneicosanoic acid
DescriptionHenicosanoic acid, also known as N-heneicosanoate or 21:0,is a long-chain fatty acid that is henicosane in which one of the methyl groups has been oxidised to give the corresponding carboxylic acid. It is a straight-chain saturated fatty acid and a long-chain fatty acid. It is a conjugate acid of a henicosanoate. Heneicosanoic 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. Heneicosanoic acid is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Heneicosanoic acid is a potentially toxic compound.
Structure
Thumb
Synonyms
Chemical FormulaC21H42O2
Average Molecular Weight326.557
Monoisotopic Molecular Weight326.318480588
IUPAC Namehenicosanoic acid
Traditional Nameheneicosanoic acid
CAS Registry Number2363-71-5
SMILES
CCCCCCCCCCCCCCCCCCCCC(O)=O
InChI Identifier
InChI=1S/C21H42O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(22)23/h2-20H2,1H3,(H,22,23)
InChI KeyCKDDRHZIAZRDBW-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
  • Straight chain fatty acid
  • 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
Biological locationRoute of exposureSource
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point74 - 76 °CNot Available
Boiling Point384.30 °C. @ 760.00 mm Hg (est)The Good Scents Company Information System
Water Solubility0.00019 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP9.810 (est)The Good Scents Company Information System
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane (predicted from logP)
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 IDFDB002742
KNApSAcK IDC00053301
Chemspider ID16012
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkHeneicosylic acid
METLIN ID4208
PubChem Compound16898
PDB IDNot Available
ChEBI ID39248
Food Biomarker OntologyNot Available
VMH IDM02053
MarkerDB IDNot Available
Good Scents IDrw1249221
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Moser AB, Jones DS, Raymond GV, Moser HW: Plasma and red blood cell fatty acids in peroxisomal disorders. Neurochem Res. 1999 Feb;24(2):187-97. [PubMed:9972864 ]
  2. Mosley EE, Wright AL, McGuire MK, McGuire MA: trans Fatty acids in milk produced by women in the United States. Am J Clin Nutr. 2005 Dec;82(6):1292-7. [PubMed:16332663 ]
  3. Torres AG, Ney JG, Meneses F, Trugo NM: Polyunsaturated fatty acids and conjugated linoleic acid isomers in breast milk are associated with plasma non-esterified and erythrocyte membrane fatty acid composition in lactating women. Br J Nutr. 2006 Mar;95(3):517-24. [PubMed:16512938 ]
  4. Sarma AV, Powell GL, LaBerge M: Phospholipid composition of articular cartilage boundary lubricant. J Orthop Res. 2001 Jul;19(4):671-6. [PubMed:11518278 ]