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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 19812
        chemical entity 19812
          atom 19811
            nonmetal atom 19698
              carbon atom 19620
                organic molecular entity 19620
                  olefinic compound 15500
                    olefin 5478
                      acyclic olefin + 5450
                      cyclic olefin + 108
                      polyene + 0
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19812
        subatomic particle 19811
          composite particle 19811
            hadron 19811
              baryon 19811
                nucleon 19811
                  atomic nucleus 19811
                    atom 19811
                      main group element atom 19708
                        main group molecular entity 19708
                          s-block molecular entity 19493
                            hydrogen molecular entity 19488
                              hydrides 18845
                                organic hydride 18354
                                  organic fundamental parent 18354
                                    hydrocarbon 18065
                                      olefin 5478
                                        acyclic olefin + 5450
                                        cyclic olefin + 108
                                        polyene + 0
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