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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:20-hydroxyicosanoic acid
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Accession:CHEBI:79190 term browser browse the term
Definition:An omega-hydroxy-long-chain fatty acid that is icosanoic acid (arachidonic acid) in which one of the hydrogens of the terminal methyl group has been replaced by a hydroxy group.
Synonyms:related_synonym: 20-hydroxyarachidic acid;   20-hydroxyeicosanoic acid;   Formula=C20H40O3;   InChI=1S/C20H40O3/c21-19-17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18-20(22)23/h21H,1-19H2,(H,22,23);   InChIKey=JLDIWYKSFMPIDW-UHFFFAOYSA-N;   SMILES=OCCCCCCCCCCCCCCCCCCCC(O)=O;   omega-hydroxyarachidic acid;   omega-hydroxyicosanoic acid
 xref: LIPID_MAPS_instance:LMFA01050075;   Reaxys:1794083
 cyclic_relationship: is_conjugate_acid_of CHEBI:140692

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19785
    role 19732
      biological role 19732
        biochemical role 19281
          metabolite 19262
            eukaryotic metabolite 18906
              plant metabolite 17359
                icosanoic acid 0
                  20-hydroxyicosanoic acid 0
                    (3R)-3,20-dihydroxyicosanoic acid + 0
                    oscr#36 + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19785
    subatomic particle 19782
      composite particle 19782
        hadron 19782
          baryon 19782
            nucleon 19782
              atomic nucleus 19782
                atom 19782
                  main group element atom 19670
                    p-block element atom 19670
                      carbon group element atom 19572
                        carbon atom 19561
                          organic molecular entity 19561
                            organic group 18493
                              organic divalent group 18486
                                organodiyl group 18486
                                  carbonyl group 18389
                                    carbonyl compound 18389
                                      carboxylic acid 18060
                                        monocarboxylic acid 17406
                                          fatty acid 15844
                                            hydroxy fatty acid 183
                                              omega-hydroxy fatty acid 12
                                                omega-hydroxy-long-chain fatty acid 0
                                                  20-hydroxyicosanoic acid 0
                                                    (3R)-3,20-dihydroxyicosanoic acid + 0
                                                    oscr#36 + 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.