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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 20089
        chemical entity 20088
          atom 20058
            nonmetal atom 19979
              carbon atom 19909
                organic molecular entity 19909
                  olefinic compound 16991
                    olefin 8888
                      acyclic olefin + 8725
                      cyclic olefin + 410
                      polyene + 0
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 20089
        subatomic particle 20058
          composite particle 20058
            hadron 20088
              baryon 20088
                nucleon 20088
                  atomic nucleus 20088
                    atom 20058
                      main group element atom 19960
                        main group molecular entity 19960
                          s-block molecular entity 19784
                            hydrogen molecular entity 19777
                              hydrides 19115
                                organic hydride 18675
                                  organic fundamental parent 18657
                                    hydrocarbon 18408
                                      olefin 8888
                                        acyclic olefin + 8725
                                        cyclic olefin + 410
                                        polyene + 0
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