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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:ethylenediaminetetraacetic acid
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Accession:CHEBI:42191 term browser browse the term
Definition:A polyamino carboxylic acid that has formula C10H16N2O8.
Synonyms:exact_synonym: (ethane-1,2-diyldinitrilo)tetraacetate;   (ethane-1,2-diyldinitrilo)tetraacetic acid
 related_synonym: (ethylenedinitrilo)tetraacetic acid, ion(4-);   2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate;   Acide ethylenediaminetetracetique;   EDTA, ion(4-);   Formula=C10H16N2O8;   H4edta;   InChI=1S/C10H16N2O8/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);   InChIKey=KCXVZYZYPLLWCC-UHFFFAOYSA-N;   N,N'-1,2-Ethane diylbis-(N-(carboxymethyl)glycine);   SMILES=OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O;   acide edetique;   acido edetico;   acidum edeticum;   edetic acid;   edta;   ethylenediaminetetraacetate;   {[-(BIS-CARBOXYMETHYL-AMINO)-ETHYL]-CARBOXYMETHYL-AMINO}-ACETIC ACID
 alt_id: CHEBI:30378;   CHEBI:42189;   CHEBI:4735
 xref: Beilstein:1716295;   Beilstein:3914756;   CAS:150-43-6;   CAS:60-00-4;   DrugBank:DB00974;   Drug_Central:987;   Gmelin:144943;   KEGG:C00284;   KEGG:D00052
 xref_mesh: MESH:D004492
 xref: PDBeChem:EDT;   PPDB:1337;   Wikipedia:Edetate
 cyclic_relationship: is_conjugate_acid_of CHEBI:64755

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    role 0
      chemical role 0
        ligand 0
          chelator 0
            ethylenediaminetetraacetic acid 0
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  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    main group molecular entity 0
                      s-block molecular entity 0
                        hydrogen molecular entity 0
                          hydrides 0
                            inorganic hydride 0
                              pnictogen hydride 0
                                nitrogen hydride 0
                                  azane 0
                                    ammonia 0
                                      organic amino compound 0
                                        polyamine 0
                                          diamine 0
                                            primary diamine 0
                                              alkane-alpha,omega-diamine 0
                                                ethylenediamine 0
                                                  ethylenediamine derivative 0
                                                    ethylenediaminetetraacetic acid 0
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