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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 19899
        chemical entity 19897
          atom 19897
            nonmetal atom 19820
              carbon atom 19772
                organic molecular entity 19772
                  olefinic compound 16995
                    olefin 8942
                      acyclic olefin + 8781
                      cyclic olefin + 421
                      polyene + 29
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19899
        subatomic particle 19897
          composite particle 19897
            hadron 19897
              baryon 19897
                nucleon 19897
                  atomic nucleus 19897
                    atom 19897
                      main group element atom 19836
                        main group molecular entity 19836
                          s-block molecular entity 19670
                            hydrogen molecular entity 19652
                              hydrides 19162
                                organic hydride 18715
                                  organic fundamental parent 18715
                                    hydrocarbon 18462
                                      olefin 8942
                                        acyclic olefin + 8781
                                        cyclic olefin + 421
                                        polyene + 29
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