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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:48942 term browser browse the term
Definition:A branched-chain saturated fatty acid anion that is the conjugate base of isovaleric acid; reported to improve ruminal fermentation and feed digestion in cattle.
Synonyms:exact_synonym: 3-methylbutanoate
 related_synonym: 3-methyl-n-butyrate;   3-methylbutyrate;   Formula=C5H9O2;   InChI=1S/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7)/p-1;   InChIKey=GWYFCOCPABKNJV-UHFFFAOYSA-M;   SMILES=CC(C)CC([O-])=O;   beta-methylbutyrate;   delphinate;   isopentanoate;   isopropylacetate;   isovalerianate
 xref: Beilstein:773692;   PMID:19138353
 cyclic_relationship: is_conjugate_base_of CHEBI:28484

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Path 1
Term Annotations click to browse term
  CHEBI ontology 20089
    role 20042
      biological role 20011
        biochemical role 19671
          metabolite 19631
            eukaryotic metabolite 19358
              plant metabolite 17795
                isovalerate 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20089
    subatomic particle 20058
      composite particle 20058
        hadron 20088
          baryon 20088
            nucleon 20088
              atomic nucleus 20088
                atom 20058
                  main group element atom 19960
                    p-block element atom 19990
                      carbon group element atom 19916
                        carbon atom 19909
                          organic molecular entity 19909
                            organic ion 9185
                              organic anion 3104
                                carboxylic acid anion 2436
                                  monocarboxylic acid anion 1558
                                    fatty acid anion 108
                                      branched-chain fatty acid anion 1
                                        methyl-branched fatty acid anion 0
                                          3-methyl fatty acid anion 0
                                            isovalerate 0
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