EMBL-EBI | Chemical Biology | ChEBI

Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search

CHEBI:34653 - Congo Red

ChEBI IDCHEBI:34653
ChEBI NameCongo Red
Stars
DefinitionAn indicator dye that is blue-violet at pH 3.0 and red at pH 5.0.
Last Modified25 August 2023
DownloadsMolfile

FormulaC32H22N6O6S2.2Na
Net Charge0
Average Mass696.678
Monoisotopic Mass696.08376
SMILESNc1c(N=Nc2ccc(-c3ccc(N=Nc4cc(S(=O)(=O)[O-])c5ccccc5c4N)cc3)cc2)cc(S(=O)(=O)[O-])c2ccccc12.[Na+].[Na+]
InChIInChI=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
InChIKeyIQFVPQOLBLOTPF-UHFFFAOYSA-L

ChEBI Ontology
IUPAC Name 
disodium 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate)
Synonyms  Source
Congo redKEGG COMPOUND
Direct red 28KEGG COMPOUND
Sodium diphenyldiazo-bis-alpha-naphthylaminesulfonateKEGG COMPOUND
disodium 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-aminonaphthalene-1-sulphonate)ChemIDplus
Kongorot  deChemIDplus
Manual XrefsDatabases
C14078KEGG COMPOUND
Registry NumbersSources
Gmelin:135213Gmelin
Beilstein:741468Beilstein
Beilstein:3894858Beilstein
CAS:573-58-0KEGG COMPOUND
CAS:573-58-0ChemIDplus