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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.

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Accession:CHEBI:83916 term browser browse the term
Definition:An omega-hydroxy fatty acid anion that is the conjugate base of omega-hydroxyphytanic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.
Synonyms:exact_synonym: 16-hydroxy-3,7,11,15-tetramethylhexadecanoate
 related_synonym: Formula=C20H39O3;   InChI=1S/C20H40O3/c1-16(10-6-12-18(3)14-20(22)23)8-5-9-17(2)11-7-13-19(4)15-21/h16-19,21H,5-15H2,1-4H3,(H,22,23)/p-1;   InChIKey=CBZPGRKSSXCZLI-UHFFFAOYSA-M;   SMILES=CC(CO)CCCC(C)CCCC(C)CCCC(C)CC([O-])=O;   omega-hydroxy-3,7,11,15-tetramethyl-hexadecanoate
 xref: PMID:19933331
 cyclic_relationship: is_conjugate_base_of CHEBI:84925

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Term Annotations click to browse term
  CHEBI ontology 19771
    role 19716
      biological role 19716
        biochemical role 19304
          metabolite 19286
            eukaryotic metabolite 18957
              plant metabolite 17450
                hexadecanoic acid 550
                  phytanate 0
                    omega-hydroxyphytanate 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19771
    subatomic particle 19770
      composite particle 19770
        hadron 19770
          baryon 19770
            nucleon 19770
              atomic nucleus 19770
                atom 19770
                  main group element atom 19658
                    p-block element atom 19658
                      carbon group element atom 19574
                        carbon atom 19564
                          organic molecular entity 19564
                            organic group 18599
                              organic divalent group 18590
                                organodiyl group 18590
                                  carbonyl group 18505
                                    carbonyl compound 18505
                                      carboxylic acid 18157
                                        monocarboxylic acid 17530
                                          fatty acid 16014
                                            saturated fatty acid 15988
                                              straight-chain saturated fatty acid 15443
                                                hexadecanoic acid 550
                                                  phytanate 0
                                                    omega-hydroxyphytanate 0
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