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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:137041 term browser browse the term
Definition:The monoprotonated form of quinine, the predominant species at pH7.3.
Synonyms:exact_synonym: (9R)-9-hydroxy-6'-methoxy-8alpha-cinchonan-1-ium
 related_synonym: Formula=C20H25N2O2;   InChI=1S/C20H24N2O2/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3/p+1/t13-,14-,19-,20+/m0/s1;   InChIKey=LOUPRKONTZGTKE-WZBLMQSHSA-O;   SMILES=[H][C@]1(C[C@@H]2CC[N@H+]1C[C@@H]2C=C)[C@H](O)c1ccnc2ccc(OC)cc12;   quinine
 cyclic_relationship: is_conjugate_acid_of CHEBI:15854

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3-hydroxyquinine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Cyp3a2 cytochrome P450, family 3, subfamily a, polypeptide 2 affects chemical synthesis ISO CYP3A4 protein affects the chemical synthesis of 3-hydroxyquinidine CTD PMID:15896247 NCBI chr12:9,207,986...9,230,038
Ensembl chr12:9,015,383...9,285,008
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19800
    chemical entity 19800
      molecular entity 19799
        ion 16250
          organic ion 9167
            organic cation 8100
              quinine(1+) 1
                3-hydroxyquinine 1
                quinine sulfate + 0
                quininyl group 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19800
    subatomic particle 19799
      composite particle 19799
        hadron 19799
          baryon 19799
            nucleon 19799
              atomic nucleus 19799
                atom 19799
                  main group element atom 19698
                    p-block element atom 19698
                      carbon group element atom 19619
                        carbon atom 19609
                          organic molecular entity 19609
                            organic molecule 19549
                              organic cyclic compound 19343
                                organic heterocyclic compound 18584
                                  organonitrogen heterocyclic compound 17661
                                    quinolines 2598
                                      (8xi)-cinchonan 67
                                        (8S)-cinchonan 25
                                          quinine(1+) 1
                                            3-hydroxyquinine 1
                                            quinine sulfate + 0
                                            quininyl group 0
paths to the root