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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:Evans blue
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Accession:CHEBI:82467 term browser browse the term
Definition:An organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence.
Synonyms:exact_synonym: tetrasodium 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate)
 related_synonym: 4,4'-Bis(1-amino-8-hydroxy-2,4-disulfo-7-naphthylazo)-3,3'-bitolyl, tetrasodium salt;   4,4'-Bis(1-amino-8-hydroxy-2,4-disulpho-7-naphthylazo)-3,3'-bitolyl, tetrasodium salt;   C.I. 23860;   C.I. Direct Blue 53;   C.I. direct blue 53 tetrasodium salt;   Formula=C34H24N6Na4O14S4;   InChI=1S/C34H28N6O14S4.4Na/c1-15-11-17(3-7-21(15)37-39-23-9-5-19-25(55(43,44)45)13-27(57(49,50)51)31(35)29(19)33(23)41)18-4-8-22(16(2)12-18)38-40-24-10-6-20-26(56(46,47)48)14-28(58(52,53)54)32(36)30(20)34(24)42;;;;/h3-14,41-42H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4;   InChIKey=ATNOAWAQFYGAOY-UHFFFAOYSA-J;   SMILES=[Na+].[Na+].[Na+].[Na+].Cc1cc(ccc1N=Nc1ccc2c(cc(c(N)c2c1O)S([O-])(=O)=O)S([O-])(=O)=O)-c1ccc(N=Nc2ccc3c(cc(c(N)c3c2O)S([O-])(=O)=O)S([O-])(=O)=O)c(C)c1;   azovan blue;   direct blue 53
 alt_id: CHEBI:87630
 xref: CAS:314-13-6;   KEGG:C19422;   PMID:25330860;   PMID:25459624;   PMID:25463029;   PMID:25502884;   PMID:25524816;   PMID:25534234;   PMID:25550365;   PMID:25675996;   PMID:25677639;   PMID:25690543;   PMID:25754262;   PMID:25787737;   PMID:25791838;   PMID:25794165;   PMID:25804390;   PMID:25810887;   PMID:25864799;   PMID:25878590;   PMID:25890054;   PMID:26003544;   PMID:26042623;   PMID:26066322;   PMID:26150384;   PMID:26175578;   PMID:26251416;   Reaxys:7110511;   Wikipedia:Evans_Blue_(dye)

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  CHEBI ontology 19762
    role 19708
      biological role 19708
        aetiopathogenetic role 18965
          teratogenic agent 15884
            Evans blue 0
Path 2
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  CHEBI ontology 19762
    subatomic particle 19760
      composite particle 19760
        hadron 19760
          baryon 19760
            nucleon 19760
              atomic nucleus 19760
                atom 19760
                  main group element atom 19651
                    p-block element atom 19651
                      chalcogen 19388
                        oxygen atom 19353
                          oxygen molecular entity 19353
                            oxide 11743
                              oxoanion 8875
                                chalcogen oxoanion 541
                                  sulfur oxoanion 540
                                    sulfonate 29
                                      organosulfonate oxoanion 29
                                        Evans blue(4-) 0
                                          Evans blue 0
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