CHEBI:86218 - cresol red

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name cresol red
Definition A member of the class of 2,1-benzoxathioles that is 2,1-benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxy-5-methylphenyl groups.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
Download Molfile XML SDF
Wikipedia License
Waiting for wikipedia content
Read full article at Wikipedia
Formula C21H18O5S
Net Charge 0
Average Mass 382.43000
Monoisotopic Mass 382.08749
InChI InChI=1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3
SMILES Cc1cc(ccc1O)C1(OS(=O)(=O)c2ccccc12)c1ccc(O)c(C)c1
Roles Classification
Application(s): acid-base indicator
An acid or base which exhibits a colour change on neutralization by the basic or acidic titrant at or near the equivalence point of a titration.

two-colour indicator
A colour indicator that possesses a different colour on each side of the transition interval.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing cresol red (CHEBI:86218) has role acid-base indicator (CHEBI:50407)
cresol red (CHEBI:86218) has role dye (CHEBI:37958)
cresol red (CHEBI:86218) has role two-colour indicator (CHEBI:50412)
cresol red (CHEBI:86218) is a 2,1-benzoxathiole (CHEBI:38087)
cresol red (CHEBI:86218) is a arenesulfonate ester (CHEBI:38094)
cresol red (CHEBI:86218) is a polyphenol (CHEBI:26195)
cresol red (CHEBI:86218) is a sultone (CHEBI:38088)
Synonyms Sources
3',3''-Dimethylphenolsulfonephthalein ChemIDplus
Cresolsulfophthalein ChemIDplus
NSC 7224 ChemIDplus
o-Cresol Red ChemIDplus
o-Cresolsulfonephthalein ChemIDplus
Manual Xref Database
Cresol_Red Wikipedia
View more database links
Registry Numbers Types Sources
1733-12-6 CAS Registry Number ChemIDplus
343399 Reaxys Registry Number Reaxys
Citation Waiting for Citations Type Source
26003703 PubMed citation Europe PMC
Last Modified
29 June 2015