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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:17996 term browser browse the term
Definition:A halide anion formed when chlorine picks up an electron to form an an anion.
Synonyms:related_synonym: CHLORIDE ION;   Chloride(1-);   Chlorine anion;   Cl;   Formula=Cl;   InChI=1S/ClH/h1H/p-1;   InChIKey=VEXZGXHMUGYJMC-UHFFFAOYSA-M;   SMILES=[Cl-]
 alt_id: CHEBI:13291;   CHEBI:13970;   CHEBI:3616;   CHEBI:3731;   CHEBI:48804
 xref: Beilstein:3587171;   CAS:16887-00-6;   Gmelin:14910;   KEGG:C00115;   KEGG:C00698;   PDBeChem:CL;   UM-BBD_compID:c0884
 cyclic_relationship: is_conjugate_base_of CHEBI:17883

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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19800
        role 19751
          biological role 19751
            biochemical role 19368
              cofactor 15798
                chloride 8447
                  chloride salt + 8447
                  phosphorylcholine chloride 6
    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
                        main group molecular entity 19698
                          p-block molecular entity 19698
                            halogen molecular entity 18184
                              chlorine molecular entity 18027
                                elemental chlorine 8463
                                  monoatomic chlorine 8447
                                    chloride 8447
                                      chloride salt + 8447
                                      phosphorylcholine chloride 6
    paths to the root