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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:79023 term browser browse the term
Definition:A 4-O-(1H-indol-3-ylcarbonyl)ascaroside derived from (2E,6R)-6-hydroxyhept-2-enoic acid. It is a metabolite of the nematode Caenorhabditis elegans.
Synonyms:exact_synonym: (2E,6R)-6-{[3,6-dideoxy-4-O-(1H-indol-3-ylcarbonyl)-alpha-L-arabino-hexopyranosyl]oxy}hept-2-enoic acid
 related_synonym: 6R-(3'R-hydroxy-5'R-O-(1H-indol-3-ylcarbonyl)-6'S-methyl-(2H)-tetrahydropyran-2'-yloxy)-2E-heptenoic acid;   Formula=C22H27NO7;   InChI=1S/C22H27NO7/c1-13(7-3-6-10-20(25)26)28-22-18(24)11-19(14(2)29-22)30-21(27)16-12-23-17-9-5-4-8-15(16)17/h4-6,8-10,12-14,18-19,22-24H,3,7,11H2,1-2H3,(H,25,26)/b10-6+/t13-,14+,18-,19-,22-/m1/s1;   InChIKey=OVHQEHRYORHTRQ-KXXILVSQSA-N;   SMILES=C[C@H](CC\\C=C\\C(O)=O)O[C@@H]1O[C@@H](C)[C@@H](C[C@H]1O)OC(=O)c1c[nH]c2ccccc12
 xref: CAS:1355682-94-8;   PMID:22239548;   Reaxys:22233433;   SMID:icas%237%0D

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  CHEBI ontology 19773
    role 19723
      biological role 19723
        molecular messenger 18303
          semiochemical 10
            pheromone 10
              ascr#7 0
                icas#7 0
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  CHEBI ontology 19773
    subatomic particle 19771
      composite particle 19771
        hadron 19771
          baryon 19771
            nucleon 19771
              atomic nucleus 19771
                atom 19771
                  main group element atom 19665
                    p-block element atom 19665
                      carbon group element atom 19583
                        carbon atom 19573
                          organic molecular entity 19573
                            organic group 18603
                              organic divalent group 18594
                                organodiyl group 18594
                                  carbonyl group 18507
                                    carbonyl compound 18507
                                      carboxylic acid 18159
                                        carboacyl group 17415
                                          univalent carboacyl group 17415
                                            formyl group 8793
                                              aldehyde 8793
                                                aliphatic aldehyde 2141
                                                  fatty aldehyde 2130
                                                    medium-chain fatty aldehyde 118
                                                      (E)-hept-2-enal 0
                                                        (E)-hept-2-enoic acid 0
                                                          (2E,6R)-6-hydroxyhept-2-enoic acid 0
                                                            ascr#7 0
                                                              icas#7 0
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