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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:Alexa Fluor 647
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Accession:CHEBI:137394 term browser browse the term
Definition:An iminium betaine fluorescent dye with a max absorption wavelength 650 nm and emission wavelength 665 nm. Alexa Fluor 6 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.
Synonyms:related_synonym: Alexa Fluor 647 Succinimidyl Esters;   Formula=C35H43N2O14S4R;   SMILES=C12=CC(=CC=C1[N+](=C(C2(CCCCC(=O)O*)C)/C=C/C=C/C=C/3\\C(C4=CC(=CC=C4N3CCCS(O)(=O)=O)S(O)(=O)=O)(C)C)CCCS([O-])(=O)=O)S(O)(=O)=O
 xref: PMID:17086199;   PMID:19109922;   PMID:22292051

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Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    role 0
      application 0
        dye 0
          fluorescent dye 0
            Alexa Fluor 647 0
Path 2
Term Annotations click to browse term
  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
                    p-block element atom 0
                      chalcogen 0
                        oxygen atom 0
                          oxygen molecular entity 0
                            hydroxides 0
                              oxoacid 0
                                chalcogen oxoacid 0
                                  sulfur oxoacid 0
                                    sulfonic acid 0
                                      sulfo group 0
                                        organosulfonic acid 0
                                          arenesulfonic acid 0
                                            Alexa Fluor 647 0
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