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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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Path 1
Term Annotations click to browse term
  CHEBI ontology 19821
    role 19769
      chemical role 19345
        donor 18654
          electron donor 2584
            pyrimidin-2-ol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19821
    subatomic particle 19819
      composite particle 19819
        hadron 19819
          baryon 19819
            nucleon 19819
              atomic nucleus 19819
                atom 19819
                  main group element atom 19716
                    p-block element atom 19716
                      carbon group element atom 19640
                        carbon atom 19630
                          organic molecular entity 19630
                            organic molecule 19569
                              organic cyclic compound 19360
                                organic heterocyclic compound 18591
                                  organic heteromonocyclic compound 17084
                                    diazines 12328
                                      pyrimidines 12157
                                        hydroxypyrimidine 1588
                                          pyrimidin-2-ol 0
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