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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:131396 term browser browse the term
Definition:A hydroxy fatty amide ascaroside obtained by obtained by formal condensation of the 24-hydroxy group of (2E,24R)-24-hydroxy-N-(2-hydroxyethyl)-2-methylpentacos-2-enamide with ascarylopyranose (the alpha anomer). It is a metabolite of the nematode Caenorhabditis elegans.
Synonyms:exact_synonym: (2E,24R)-24-[(3,6-dideoxy-alpha-L-arabino-hexopyranosyl)oxy]-N-(2-hydroxyethyl)-2-methylpentacos-2-enamide
 related_synonym: (24R)-(3'R,5'R-dihydroxy-6'S-methyl-(2H)-tetrahydropyran-2'-yloxy)-2-methyl-2E-pentacosenoic acid ethanolamide;   Formula=C34H65NO6;   InChI=1S/C34H65NO6/c1-28(33(39)35-25-26-36)23-21-19-17-15-13-11-9-7-5-4-6-8-10-12-14-16-18-20-22-24-29(2)40-34-32(38)27-31(37)30(3)41-34/h23,29-32,34,36-38H,4-22,24-27H2,1-3H3,(H,35,39)/b28-23+/t29-,30+,31-,32-,34-/m1/s1;   InChIKey=XONAGBHTCVDMMT-HGZOCMNVSA-N;   SMILES=O([C@H]1[C@@H](C[C@H]([C@@H](O1)C)O)O)[C@@H](CCCCCCCCCCCCCCCCCCCC/C=C(/C(=O)NCCO)\\C)C
 xref: PMID:23163760;   Reaxys:23412669

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  CHEBI ontology 19761
    role 19711
      biological role 19711
        molecular messenger 18294
          semiochemical 10
            hydroxy fatty amide ascaroside 0
              (2E,24R)-24-[(alpha-L-ascarosyl)oxy]-N-(2-hydroxyethyl)-2-methylpentacos-2-enamide 0
Path 2
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  CHEBI ontology 19761
    subatomic particle 19759
      composite particle 19759
        hadron 19759
          baryon 19759
            nucleon 19759
              atomic nucleus 19759
                atom 19759
                  main group element atom 19653
                    p-block element atom 19653
                      carbon group element atom 19569
                        carbon atom 19559
                          organic molecular entity 19559
                            heteroorganic entity 19195
                              organochalcogen compound 18941
                                organooxygen compound 18868
                                  carbohydrates and carbohydrate derivatives 12260
                                    carbohydrate 12260
                                      monosaccharide 4193
                                        aldose 2565
                                          aldohexose 2205
                                            deoxyhexose 106
                                              dideoxyhexose 0
                                                ascarylose 0
                                                  ascarylopyranose 0
                                                    alpha-ascarylopyranose 0
                                                      ascaroside 0
                                                        hydroxy fatty amide ascaroside 0
                                                          (2E,24R)-24-[(alpha-L-ascarosyl)oxy]-N-(2-hydroxyethyl)-2-methylpentacos-2-enamide 0
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