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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:ethyl methanesulfonate
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Accession:CHEBI:23994 term browser browse the term
Definition:A methanesulfonate ester resulting from the formal condensation of methanesulfonic acid with ethanol.
Synonyms:related_synonym: EMS;   Formula=C3H8O3S;   InChI=1S/C3H8O3S/c1-3-6-7(2,4)5/h3H2,1-2H3;   InChIKey=PLUBXMRUUVWRLT-UHFFFAOYSA-N;   SMILES=CCOS(C)(=O)=O;   ethyl mesylate;   ethyl methanesulphonate;   methylsulfonic acid ethyl ester
 xref: CAS:62-50-0;   KEGG:C19239
 xref_mesh: MESH:D005020
 xref: PMID:16039156;   PMID:19797863;   PMID:20102787;   PMID:24475756;   PMID:24524729;   PMID:24531730;   PMID:24728647;   PMID:6936603;   PMID:7285888;   Reaxys:773969;   Wikipedia:Ethyl_methanesulfonate

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    Path 1
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      CHEBI ontology 19904
        role 19880
          biological role 19878
            aetiopathogenetic role 19226
              genotoxin 17691
                ethyl methanesulfonate 2181
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19904
        subatomic particle 19902
          composite particle 19902
            hadron 19902
              baryon 19902
                nucleon 19902
                  atomic nucleus 19902
                    atom 19902
                      main group element atom 19852
                        p-block element atom 19852
                          chalcogen 19597
                            oxygen atom 19571
                              oxygen molecular entity 19571
                                hydroxides 19375
                                  oxoacid 18772
                                    chalcogen oxoacid 13779
                                      sulfur oxoacid 13567
                                        sulfonic acid 11607
                                          sulfo group 9921
                                            organosulfonic acid 9921
                                              alkanesulfonic acid 4011
                                                methanesulfonic acid 4001
                                                  methanesulfonates 3998
                                                    methanesulfonate ester 3997
                                                      ethyl methanesulfonate 2181
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