CHEBI:87187 - Biebrich scarlet (acid form)

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ChEBI Name Biebrich scarlet (acid form)
ChEBI ID CHEBI:87187
Definition An arenesulfonic acid that is m-[(4-sulfophenyl)diazenyl]benzene-1-sulfonic acid carrying a (2-hydroxynaphthalen-1-yl)diazenyl substituent at position 2. The disodium salt is the biological stain 'Biebrich scarlet'.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C22H16N4O7S2
Net Charge 0
Average Mass 512.51500
Monoisotopic Mass 512.04604
InChI InChI=1S/C22H16N4O7S2/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30/h1-13,27H,(H,28,29,30)(H,31,32,33)
InChIKey BYABGQJPCPYPSZ-UHFFFAOYSA-N
SMILES Oc1ccc2ccccc2c1N=Nc1ccc(cc1S(O)(=O)=O)N=Nc1ccc(cc1)S(O)(=O)=O
Roles Classification
Application(s): histological dye
A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
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ChEBI Ontology
Outgoing Biebrich scarlet (acid form) (CHEBI:87187) has role histological dye (CHEBI:77178)
Biebrich scarlet (acid form) (CHEBI:87187) is a arenesulfonic acid (CHEBI:33555)
Biebrich scarlet (acid form) (CHEBI:87187) is a azobenzenes (CHEBI:22682)
Biebrich scarlet (acid form) (CHEBI:87187) is a bis(azo) compound (CHEBI:48960)
Biebrich scarlet (acid form) (CHEBI:87187) is a naphthols (CHEBI:25392)
Biebrich scarlet (acid form) (CHEBI:87187) is conjugate acid of Biebrich scarlet(2−) (CHEBI:87188)
Incoming Biebrich scarlet(2−) (CHEBI:87188) is conjugate base of Biebrich scarlet (acid form) (CHEBI:87187)
IUPAC Name
2-[(2-hydroxynaphthalen-1-yl)diazenyl]-5-[(4-sulfophenyl)diazenyl]benzene-1-sulfonic acid
Synonym Source
acid red 66 (free acid form) ChEBI
Manual Xref Database
Biebrich_scarlet Wikipedia
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Registry Number Type Source
3229970 Reaxys Registry Number Reaxys
Last Modified
29 July 2015