Submit Data |  Help |  Video Tutorials |  News |  Publications |  FTP Download |  REST API |  Citing RGD |  Contact   


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:cresol red
go back to main search page
Accession:CHEBI:86218 term browser browse the term
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.
Synonyms:exact_synonym: 3,3-bis(4-hydroxy-5-methylphenyl)-2,1lambda(6)-benzoxathiole-1,1(3H)-dione
 related_synonym: 3',3''-Dimethylphenolsulfonephthalein;   Cresolsulfophthalein;   Formula=C21H18O5S;   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;   InChIKey=OBRMNDMBJQTZHV-UHFFFAOYSA-N;   NSC 7224;   SMILES=Cc1cc(ccc1O)C1(OS(=O)(=O)c2ccccc12)c1ccc(O)c(C)c1;   o-Cresol Red;   o-Cresolsulfonephthalein
 xref: CAS:1733-12-6;   PMID:26003703;   Reaxys:343399;   Wikipedia:Cresol_Red

show annotations for term's descendants           Sort by:

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19801
    role 19747
      application 19395
        dye 1292
          cresol red 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19801
    subatomic particle 19797
      composite particle 19797
        hadron 19797
          baryon 19797
            nucleon 19797
              atomic nucleus 19797
                atom 19797
                  main group element atom 19684
                    p-block element atom 19684
                      chalcogen 19394
                        oxygen atom 19355
                          oxygen molecular entity 19355
                            hydroxides 19100
                              oxoacid 18220
                                chalcogen oxoacid 11488
                                  sulfur oxoacid 11091
                                    sulfonic acid 7339
                                      sulfo group 5738
                                        organosulfonic acid 5738
                                          arenesulfonic acid 674
                                            arenesulfonate ester 79
                                              cresol red 0
paths to the root


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.