CHEBI:34653 - Congo Red

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ChEBI Name Congo Red ChEBI ID CHEBI:34653 Definition An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. Stars This entity has been manually annotated by the ChEBI Team. Supplier Information Download Molfile XML SDF Find compounds which contain this structure Find compounds which resemble this structure Take structure to the Advanced Search Formulae C32H22N6Na2O6S2 C32H22N6O6S2.2Na Net Charge 0 Average Mass 696.667 Monoisotopic Mass 696.08376 InChI InChI=1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2 InChIKey IQFVPQOLBLOTPF-UHFFFAOYSA-L SMILES C1=CC(C2=CC=C(N=NC3=CC(=C4C(=C3N)C=CC=C4)S([O-])(=O)=O)C=C2)=CC=C1N=NC5=CC(=C6C(=C5N)C=CC=C6)S([O-])(=O)=O.[Na+].[Na+] ChEBI Ontology Outgoing Congo Red (CHEBI:34653) has functional parent 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonic acid) (CHEBI:38217) Congo Red (CHEBI:34653) has part 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate) (CHEBI:38216) Congo Red (CHEBI:34653) is a bis(azo) compound (CHEBI:48960) IUPAC Name disodium 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate) Synonyms Sources Congo red KEGG COMPOUND Direct red 28 KEGG COMPOUND disodium 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-aminonaphthalene-1-sulphonate) ChemIDplus Kongorot ChemIDplus Sodium diphenyldiazo-bis-alpha-naphthylaminesulfonate KEGG COMPOUND Manual Xref Database C14078 KEGG COMPOUND View more database links Registry Numbers Types Sources 135213 Gmelin Registry Number Gmelin 3894858 Beilstein Registry Number Beilstein 573-58-0 CAS Registry Number ChemIDplus 741468 Beilstein Registry Number Beilstein Last Modified 25 August 2023