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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:olefin
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Accession:CHEBI:33641 term browser browse the term
Definition:Acyclic and cyclic hydrocarbons having one or more carbon-carbon double bonds, apart from the formal ones in aromatic compounds. The class olefins subsumes alkenes and cycloalkenes and the corresponding polyenes.
Synonyms:related_synonym: olefins


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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 21720
    chemical entity 21718
      atom 21705
        nonmetal atom 21599
          carbon atom 21326
            organic molecular entity 21326
              olefinic compound 15398
                olefin 5677
                  acyclic olefin + 5654
                  cyclic olefin + 103
                  polyene + 4
Path 2
Term Annotations click to browse term
  CHEBI ontology 21720
    subatomic particle 21705
      composite particle 21705
        hadron 21705
          baryon 21705
            nucleon 21705
              atomic nucleus 21705
                atom 21705
                  main group element atom 21622
                    main group molecular entity 21622
                      s-block molecular entity 21153
                        hydrogen molecular entity 21088
                          hydrides 20354
                            organic hydride 19893
                              organic fundamental parent 19893
                                hydrocarbon 19742
                                  olefin 5677
                                    acyclic olefin + 5654
                                    cyclic olefin + 103
                                    polyene + 4
paths to the root