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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC 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.

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Accession:CHEBI:78324 term browser browse the term
Definition:A flavonoid oxoanion obtained by deprotonation of the hydroxy group at position 7 of baicalein. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).
Synonyms:exact_synonym: 5,6-dihydroxy-4-oxo-2-phenyl-4H-chromen-7-olate
 related_synonym: Formula=C15H9O5;   InChI=1S/C15H10O5/c16-9-6-11(8-4-2-1-3-5-8)20-12-7-10(17)14(18)15(19)13(9)12/h1-7,17-19H/p-1;   InChIKey=FXNFHKRTJBSTCS-UHFFFAOYSA-M;   SMILES=Oc1c([O-])cc2oc(cc(=O)c2c1O)-c1ccccc1;   baicalein
 xref: PMID:10724177;   PMID:15853750;   PMID:22891631;   PMID:23098745
 cyclic_relationship: is_conjugate_base_of CHEBI:2979

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  CHEBI ontology 19818
    role 19790
      chemical role 19421
        antioxidant 15726
          baicalein(1-) 0
Path 2
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  CHEBI ontology 19818
    subatomic particle 19816
      composite particle 19816
        hadron 19816
          baryon 19816
            nucleon 19816
              atomic nucleus 19816
                atom 19816
                  main group element atom 19761
                    p-block element atom 19761
                      carbon group element atom 19703
                        carbon atom 19698
                          organic molecular entity 19698
                            organic ion 9272
                              organic anion 3129
                                flavonoid oxoanion 0
                                  baicalein(1-) 0
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