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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:2-(hydroxymethyl)-4-oxobutanoic acid
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Accession:CHEBI:17413 term browser browse the term
Definition:A 4-oxo monocarboxylic acid that is 4-oxobutanoic acid which is substituted by a hydroxymethyl group at position 2.
Synonyms:related_synonym: 2-(Hydroxymethyl)-4-oxobutanoate;   2-Hydroxymethyl succinate semialdehyde;   Formula=C5H8O4;   InChI=1S/C5H8O4/c6-2-1-4(3-7)5(8)9/h2,4,7H,1,3H2,(H,8,9);   InChIKey=QZXWGGGNYORFOK-UHFFFAOYSA-N;   SMILES=OCC(CC=O)C(O)=O;   alpha-Hydroxymethyl succinate semialdehyde
 alt_id: CHEBI:11476;   CHEBI:19419;   CHEBI:973
 xref: KEGG:C04106
 cyclic_relationship: is_conjugate_acid_of CHEBI:58135

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Term Annotations click to browse term
  CHEBI ontology 24779
    role 24695
      application 23844
        solvent 18045
          formic acid 9799
            formyl group 9773
              aldehyde 9773
                alpha-CH2-containing aldehyde 2043
                  2-(hydroxymethyl)-4-oxobutanoic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 24779
    subatomic particle 24738
      composite particle 24738
        hadron 24738
          baryon 24738
            nucleon 24738
              atomic nucleus 24738
                atom 24738
                  main group element atom 24603
                    p-block element atom 24603
                      carbon group element atom 24396
                        carbon atom 24360
                          organic molecular entity 24360
                            organic group 22765
                              organic divalent group 22744
                                organodiyl group 22744
                                  carbonyl group 22731
                                    carbonyl compound 22731
                                      carboxylic acid 21802
                                        monocarboxylic acid 20858
                                          fatty acid 18323
                                            short-chain fatty acid 17896
                                              fatty acid 4:0 7935
                                                butyric acid 6296
                                                  2-(hydroxymethyl)-4-oxobutanoic acid 0
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