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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:19-hydroxyicosanoic acid
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Accession:CHEBI:140693 term browser browse the term
Definition:An (omega-1)-hydroxy fatty acid that is icosanoic acid (arachidic acid) in which a hydrogen at position 19 has been replaced by a hydroxy group.
Synonyms:related_synonym: 19-hydroxyarachidic acid;   19-hydroxyeicosanoic acid;   Formula=C20H40O3;   InChI=1S/C20H40O3/c1-19(21)17-15-13-11-9-7-5-3-2-4-6-8-10-12-14-16-18-20(22)23/h19,21H,2-18H2,1H3,(H,22,23);   InChIKey=NRYRXKPIZDFLGD-UHFFFAOYSA-N;   SMILES=C(CCCCCCCCCCCCCCC(O)=O)CCC(C)O
 cyclic_relationship: is_conjugate_acid_of CHEBI:140694

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19785
    chemical entity 19785
      atom 19782
        nonmetal atom 19657
          carbon atom 19561
            organic molecular entity 19561
              lipid 16976
                fatty acid 15844
                  long-chain fatty acid 1720
                    19-hydroxyicosanoic acid 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
                                            saturated fatty acid 15811
                                              straight-chain saturated fatty acid 15226
                                                19-hydroxyicosanoic acid 0
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