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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:cyclopentadiene
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Accession:CHEBI:30664 term browser browse the term
Definition:A cycloalkadiene that has formula C5H6.
Synonyms:exact_synonym: cyclopenta-1,3-diene
 related_synonym: 1,3-cyclopentadiene;   Formula=C5H6;   HCp;   InChI=1S/C5H6/c1-2-4-5-3-1/h1-4H,5H2;   InChIKey=ZSWFCLXCOIISFI-UHFFFAOYSA-N;   SMILES=C1C=CC=C1;   pentole;   pyropentylene
 xref: Beilstein:471171;   CAS:542-92-7;   Gmelin:1311



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Path 1
Term Annotations click to browse term
  CHEBI ontology 19808
    chemical entity 19808
      atom 19807
        nonmetal atom 19694
          carbon atom 19616
            organic molecular entity 19616
              olefinic compound 15500
                olefin 5478
                  cyclic olefin 108
                    monocyclic olefin 105
                      cycloalkadiene 11
                        cyclopentadiene 0
                          cyclopentadienide 0
                          cyclopentadienyl 0
                          cyclopentadienyl group + 0
                          cyclopentadienylium 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19808
    subatomic particle 19807
      composite particle 19807
        hadron 19807
          baryon 19807
            nucleon 19807
              atomic nucleus 19807
                atom 19807
                  main group element atom 19704
                    main group molecular entity 19704
                      s-block molecular entity 19489
                        hydrogen molecular entity 19484
                          hydrides 18841
                            organic hydride 18350
                              organic fundamental parent 18350
                                hydrocarbon 18061
                                  olefin 5478
                                    cyclic olefin 108
                                      monocyclic olefin 105
                                        cycloalkadiene 11
                                          cyclopentadiene 0
                                            cyclopentadienide 0
                                            cyclopentadienyl 0
                                            cyclopentadienyl group + 0
                                            cyclopentadienylium 0
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