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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:3,4-dihydroxymandelic acid
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Accession:CHEBI:27637 term browser browse the term
Definition:A catechol that is the 3,4-dihydroxy derivative of mandelic acid; a metabolite of L-dopa.
Synonyms:related_synonym: (3,4-dihydroxyphenyl)(hydroxy)acetic acid;   2-(3,4-dihydroxyphenyl)-2-hydroxyacetic acid;   3,4-Dihydroxymandelate;   3,4-Dihydroxyphenylglycolic acid;   DOMA;   Dihydroxymandelic acid;   Formula=C8H8O5;   InChI=1S/C8H8O5/c9-5-2-1-4(3-6(5)10)7(11)8(12)13/h1-3,7,9-11H,(H,12,13);   InChIKey=RGHMISIYKIHAJW-UHFFFAOYSA-N;   SMILES=OC(C(O)=O)c1ccc(O)c(O)c1
 alt_id: CHEBI:1383;   CHEBI:19884
 xref: Beilstein:2104039;   CAS:775-01-9;   HMDB:HMDB0001866;   KEGG:C05580
 xref_mesh: MESH:C000989
 xref: PMID:12358456;   PMID:12649306;   PMID:17190852;   PMID:1736884;   PMID:1750693;   PMID:3104378;   PMID:5595114;   PMID:5778148;   PMID:5821523;   PMID:8193481;   Reaxys:2104039;   Wikipedia:3\,4-Dihydroxymandelic_acid
 cyclic_relationship: is_conjugate_acid_of CHEBI:53326

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3,4-dihydroxymandelic acid term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Comt catechol-O-methyltransferase increases methylation ISO COMT protein results in increased methylation of 3,4-dihydroxymandelic acid CTD PMID:11160877 NCBI chr11:82,568,052...82,587,642
Ensembl chr11:82,568,025...82,587,642
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G Slc22a8 solute carrier family 22 member 8 multiple interactions EXP 3,4-dihydroxymandelic acid inhibits the reaction [SLC22A8 protein results in increased uptake of estrone sulfate] CTD PMID:10224140 NCBI chr 1:205,496,331...205,516,378
Ensembl chr 1:205,498,084...205,517,450
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19740
    role 19713
      chemical role 19356
        antioxidant 15686
          3,4-dihydroxymandelic acid 2
Path 2
Term Annotations click to browse term
  CHEBI ontology 19740
    subatomic particle 19738
      composite particle 19738
        hadron 19738
          baryon 19738
            nucleon 19738
              atomic nucleus 19738
                atom 19738
                  main group element atom 19686
                    p-block element atom 19686
                      carbon group element atom 19631
                        carbon atom 19627
                          organic molecular entity 19627
                            organic group 18846
                              organic divalent group 18832
                                organodiyl group 18832
                                  carbonyl group 18798
                                    carbonyl compound 18798
                                      carboxylic acid 18518
                                        hydroxy carboxylic acid 3730
                                          hydroxy monocarboxylic acid 3730
                                            2-hydroxy monocarboxylic acid 3002
                                              mandelic acid 6
                                                3,4-dihydroxymandelic acid 2
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