o-Cresol Red

Molecular Formula: C₂₁H₁₈O₅S

InChI: InChI=1/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: InChIKey=OBRMNDMBJQTZHV-UHFFFAOYAD
SMILES: CC1=C(C=CC(=C1)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4)O)C)O

Names:
    Cresolsulfophthalein
    Cresol red
    EINECS 217-064-2
    NSC 7224
    o-Cresolsulfonephthalein
    o-Cresol Red
    o-Cresol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide (8CI)
    Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-methyl-
    1733-12-6
    3',3''-Dimethylphenolsulfonephthalein
    4-[9-(4-hydroxy-3-methyl-phenyl)-7,7-dioxo-8-oxa-7λ6-thiabicyclo[4.3.0]nona-1,3,5-trien-9-yl]-2-methyl-phenol

Registries:
    PubChem CID 73013
    PubChem ID 215259