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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:Disperse Red 1
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Accession:CHEBI:63557 term browser browse the term
Definition:An azo dye with a structure consisting of nitrobenzene substituted on the 4-position of the phenyl group with a 4-[N-ethyl-N-(2-hydroxyethyl)]phenylazo group.
Synonyms:exact_synonym: 2-(ethyl{4-[(E)-(4-nitrophenyl)diazenyl]phenyl}amino)ethanol
 related_synonym: 2-(Ethyl(4-((4-nitrophenyl)azo)phenyl)amino)ethanol;   2-[N-ethyl-4-(4-nitrophenylazo)phenyl-amino]ethanol;   4-Nitro-4'-(ethyl(2-hydroxyethyl)amino)azobenzene;   4-[N-(2-hydroxyethyl)-N-ethylamino]-4'-nitroazobenzene;   4-[N-ethyl-N-(beta-hydroxyethyl)]amino-4'-nitroazobenzene;   4-[ethyl(2-hydroxyethyl)amino]-4'-nitroazobenzene;   Acetamine Scarlet B;   Acetate Fast Scarlet B;   Acetoquinone Light Scarlet BLZ;   Disperse Red Zh;   Disperse Scarlet B;   Disperse Scarlet Zh;   Dispersive Ruby Zh;   Dispersol Fast Scarlet B;   Dispersol Scarlet B;   Formula=C16H18N4O3;   InChI=1S/C16H18N4O3/c1-2-19(11-12-21)15-7-3-13(4-8-15)17-18-14-5-9-16(10-6-14)20(22)23/h3-10,21H,2,11-12H2,1H3/b18-17+;   InChIKey=FOQABOMYTOFLPZ-ISLYRVAYSA-N;   SMILES=CCN(CCO)c1ccc(cc1)\\N=N\\c1ccc(cc1)[N+]([O-])=O;   trans-4-[N-ethyl-N-(2-hydroxyethyl)amino]-4'-nitroazobenzene
 xref: CAS:2872-52-8;   PMID:21616561;   Reaxys:5353614

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  CHEBI ontology 19816
    role 19764
      application 19426
        dye 1299
          Disperse Red 1 0
Path 2
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  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    main group molecular entity 19702
                      s-block molecular entity 19461
                        hydrogen molecular entity 19452
                          hydrides 18707
                            inorganic hydride 17430
                              pnictogen hydride 17402
                                nitrogen hydride 17243
                                  diazene 261
                                    azo group 260
                                      azo compound 260
                                        azobenzenes 232
                                          azobenzene 1
                                            Disperse Red 1 0
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