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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:81850 term browser browse the term
Definition:A quaternary ammonium ion that is choline in which the hydroxy group has been replaced by a chlorine. Its salts (particularly the chloride salt, known as chlormequat chloride) are used as plant growth retardants.
Synonyms:exact_synonym: 2-chloro-N,N,N-trimethylethanaminium
 related_synonym: (2-chloroethyl)trimethylammonium;   (beta-chloroethyl)trimethylammonium;   2-chloro-N,N,N-trimethylethan-1-aminium;   Formula=C5H13ClN;   InChI=1S/C5H13ClN/c1-7(2,3)5-4-6/h4-5H2,1-3H3/q+1;   InChIKey=JUZXDNPBRPUIOR-UHFFFAOYSA-N;   SMILES=[N+](CCCl)(C)(C)C;   trimethyl-(2-chloroethyl)-ammonium;   trimethyl-(beta-chloroethyl)-ammonium
 xref: CAS:7003-89-6;   KEGG:C18585
 xref_mesh: MESH:D002716
 xref: PMID:16466532;   PMID:21497564;   PMID:22686367;   PMID:26536804;   PMID:27020619;   PMID:27423755;   Pesticides:chlormequat;   Reaxys:1736831;   Wikipedia:chlormequat

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Term Annotations click to browse term
  CHEBI ontology 903
    role 862
      biological role 862
        growth regulator 7
          plant growth regulator 5
            plant growth retardant 2
              chlormequat 0
                chlormequat chloride 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 903
    subatomic particle 888
      composite particle 888
        hadron 888
          baryon 888
            nucleon 888
              atomic nucleus 888
                atom 888
                  main group element atom 857
                    main group molecular entity 855
                      s-block molecular entity 742
                        hydrogen molecular entity 728
                          hydrides 353
                            inorganic hydride 245
                              pnictogen hydride 241
                                nitrogen hydride 241
                                  ammonium 23
                                    ammonium ion derivative 23
                                      quaternary ammonium ion 16
                                        chlormequat 0
                                          chlormequat chloride 0
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