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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.

Term:(S)-dihydroorotic acid
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Accession:CHEBI:17025 term browser browse the term
Definition:The (S)-enantiomer of dihydroorotic acid that is an intermediate in the metabolism of pyridine.
Synonyms:related_synonym: (4S)-2,6-dioxohexahydropyrimidine-4-carboxylic acid;   (S)-4,5-dihydroorotic acid;   Dihydro-L-orotic acid;   Formula=C5H6N2O4;   InChI=1S/C5H6N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h2H,1H2,(H,9,10)(H2,6,7,8,11)/t2-/m0/s1;   InChIKey=UFIVEPVSAGBUSI-REOHCLBHSA-N;   L-Dihydroorotic acid;   SMILES=OC(=O)[C@@H]1CC(=O)NC(=O)N1
 alt_id: CHEBI:18778;   CHEBI:417;   CHEBI:42132
 xref: Beilstein:83957;   CAS:5988-19-2;   Gmelin:1473795;   HMDB:HMDB0003349;   KEGG:C00337;   KNApSAcK:C00007302;   MetaCyc:DI-H-OROTATE;   PDBeChem:DOR;   PMID:3089167;   Patent:EP0933633;   Patent:EP1036319;   Patent:HK1033171;   Patent:RU2228932;   Patent:WO9930146;   Reaxys:83957
 cyclic_relationship: is_conjugate_acid_of CHEBI:30864;   is_enantiomer_of CHEBI:30866

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19810
    role 19758
      biological role 19758
        biochemical role 19304
          metabolite 19285
            orotic acid 17
              dihydroorotic acid 1
                (S)-dihydroorotic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19810
    subatomic particle 19808
      composite particle 19808
        hadron 19808
          baryon 19808
            nucleon 19808
              atomic nucleus 19808
                atom 19808
                  main group element atom 19696
                    p-block element atom 19696
                      carbon group element atom 19599
                        carbon atom 19588
                          organic molecular entity 19588
                            organic group 18527
                              organic divalent group 18520
                                organodiyl group 18520
                                  carbonyl group 18427
                                    carbonyl compound 18427
                                      carboxylic acid 18108
                                        carboacyl group 17369
                                          univalent carboacyl group 17369
                                            carbamoyl group 17156
                                              carboxamide 17156
                                                monocarboxylic acid amide 14573
                                                  urea 4990
                                                    ureas 4987
                                                      N-acylurea 26
                                                        dihydroorotic acid 1
                                                          (S)-dihydroorotic acid 0
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