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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 19800
        role 19751
          biological role 19751
            biochemical role 19368
              metabolite 19344
                prokaryotic metabolite 18410
                  bacterial metabolite 18410
                    Escherichia coli metabolite 18301
                      (S)-lactic acid 2798
                        rac-lactic acid + 2798
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19800
        subatomic particle 19799
          composite particle 19799
            hadron 19799
              baryon 19799
                nucleon 19799
                  atomic nucleus 19799
                    atom 19799
                      main group element atom 19698
                        p-block element atom 19698
                          carbon group element atom 19619
                            carbon atom 19609
                              organic molecular entity 19609
                                organic group 18718
                                  organic divalent group 18702
                                    organodiyl group 18702
                                      carbonyl group 18651
                                        carbonyl compound 18651
                                          carboxylic acid 18346
                                            monocarboxylic acid 17622
                                              fatty acid 16011
                                                saturated fatty acid 15986
                                                  propionic acid 3693
                                                    2-hydroxypropanoic acid 2798
                                                      (S)-lactic acid 2798
                                                        rac-lactic acid + 2798
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