Cresol Red

CAS: 1733-12-6

Ref. 3B-C0406

Product Information

• Name: Cresol Red
• Synonyms: o-Cresolsulfonphthalein, 2-[(Z)-(4-hydroxy-3-methylphenyl)(3-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonic acid, 3H-2,1-Benzoxathiole, phenol deriv., 3′,3′′-Dimethylphenolsulfonephthalein, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-methylphenol), 4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methylphenol], Cresol red (0.1% in ca. 20% ethanol), Cresolsulfophthalein, NSC 7224, Phenol, 4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-, Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-, S,S-dioxide, o-Cresol Red, o-Cresol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide, o-Cresolsulfonephthalein, o-Cresolsulphonephthalein, o-Toluenesulfonic acid, α-hydroxy-α,α-bis(4-hydroxy-m-tolyl)-, γ-sultone
• CAS: 1733-12-6
• Brand: TCI

Chemical properties

• Molecular weight: 382.43
• Formula: C₂₁H₁₈O₅S
• Purity: >98.0%(HPLC)
• Color/Form: Red to Dark blue to Black powder to crystal
• 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
• InChI key: InChIKey=OBRMNDMBJQTZHV-UHFFFAOYSA-N
• SMILES: Cc1cc(C2(c3ccc(O)c(C)c3)OS(=O)(=O)c3ccccc32)ccc1O