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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:omega-hydroxyphytanic acid
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Accession:CHEBI:84925 term browser browse the term
Definition:A hydroxy fatty acid obtained by hydroxylation of one of the two terminal methyl groups of phytanic acid.
Synonyms:exact_synonym: 16-hydroxy-3,7,11,15-tetramethylhexadecanoic acid
 related_synonym: Formula=C20H40O3;   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);   InChIKey=CBZPGRKSSXCZLI-UHFFFAOYSA-N;   SMILES=CC(CO)CCCC(C)CCCC(C)CCCC(C)CC(O)=O
 xref: PMID:15102880;   Reaxys:11001403
 cyclic_relationship: is_conjugate_acid_of CHEBI:83916

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19816
    role 19764
      biological role 19764
        biochemical role 19313
          metabolite 19294
            eukaryotic metabolite 18943
              animal metabolite 18747
                mammalian metabolite 18746
                  omega-hydroxyphytanic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            organic group 18537
                              organic divalent group 18530
                                organodiyl group 18530
                                  carbonyl group 18436
                                    carbonyl compound 18436
                                      carboxylic acid 18114
                                        monocarboxylic acid 17476
                                          fatty acid 15990
                                            saturated fatty acid 15965
                                              straight-chain saturated fatty acid 15416
                                                hexadecanoic acid 517
                                                  phytanic acid 8
                                                    omega-hydroxyphytanic acid 0
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