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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)-lactic acid
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Accession:CHEBI:422 term browser browse the term
Definition:An optically active form of lactic acid having (S)-configuration.
Synonyms:exact_synonym: (2S)-2-hydroxypropanoic acid
 related_synonym: (+)-lactic acid;   (S)-2-hydroxypropanoic acid;   (S)-2-hydroxypropionic acid;   Formula=C3H6O3;   InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1;   InChIKey=JVTAAEKCZFNVCJ-REOHCLBHSA-N;   L-(+)-alpha-hydroxypropionic acid;   L-Lactic acid;   L-Milchsaeure;   SMILES=C[C@H](O)C(O)=O
 xref: Beilstein:1720251;   CAS:79-33-4;   Gmelin:362717;   HMDB:HMDB0000190;   KEGG:C00186;   KNApSAcK:C00001191;   PMID:21996028;   PMID:22336740;   PMID:22367529;   PMID:22424924;   PMID:22443585;   PMID:22461545;   PMID:22534372;   PMID:22538963;   PMID:22578598;   Reaxys:1720251;   Wikipedia:Lactic_Acid
 cyclic_relationship: is_conjugate_acid_of CHEBI:16651;   is_enantiomer_of CHEBI:42111

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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19741
        role 19714
          biological role 19712
            biochemical role 19420
              metabolite 19405
                prokaryotic metabolite 18461
                  bacterial metabolite 18461
                    Escherichia coli metabolite 18358
                      (S)-lactic acid 2862
                        rac-lactic acid + 2862
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19741
        subatomic particle 19739
          composite particle 19739
            hadron 19739
              baryon 19739
                nucleon 19739
                  atomic nucleus 19739
                    atom 19739
                      main group element atom 19687
                        p-block element atom 19687
                          carbon group element atom 19633
                            carbon atom 19629
                              organic molecular entity 19629
                                organic group 18837
                                  organic divalent group 18822
                                    organodiyl group 18822
                                      carbonyl group 18786
                                        carbonyl compound 18786
                                          carboxylic acid 18507
                                            monocarboxylic acid 17836
                                              fatty acid 16465
                                                saturated fatty acid 16143
                                                  propionic acid 3767
                                                    2-hydroxypropanoic acid 2862
                                                      (S)-lactic acid 2862
                                                        rac-lactic acid + 2862
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