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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:53577 term browser browse the term
Definition:The hydroxypyrimidine that is pyrimidine mono-substituted at C-2 by a hydroxy group.
Synonyms:related_synonym: 2-hydroxypyrimidine;   2-pyridiminol;   Formula=C4H4N2O;   InChI=1S/C4H4N2O/c7-4-5-2-1-3-6-4/h1-3H,(H,5,6,7);   InChIKey=VTGOHKSTWXHQJK-UHFFFAOYSA-N;   Pyridiminol;   SMILES=Oc1ncccn1
 xref: CAS:55949-38-7;   PMID:11765140;   PMID:15439061;   PMID:2954926;   PMID:3243082;   PMID:3654008;   PMID:4051501;   PMID:8908363;   Reaxys:742005

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Term Annotations click to browse term
  CHEBI ontology 19921
    role 19896
      chemical role 19512
        donor 18914
          electron donor 3037
            pyrimidin-2-ol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19921
    subatomic particle 19919
      composite particle 19919
        hadron 19919
          baryon 19919
            nucleon 19919
              atomic nucleus 19919
                atom 19919
                  main group element atom 19867
                    p-block element atom 19867
                      carbon group element atom 19812
                        carbon atom 19807
                          organic molecular entity 19807
                            organic molecule 19764
                              organic cyclic compound 19572
                                organic heterocyclic compound 18905
                                  organic heteromonocyclic compound 17824
                                    diazines 13181
                                      pyrimidines 13045
                                        hydroxypyrimidine 1602
                                          pyrimidin-2-ol 0
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