CAS Registry Number®
1733-12-6
CAS Name
Cresol red
Molecular Formula
C21H18O5S
Molecular Mass
382.43
Compound Properties
-
Melting Point (1)
>300 °C
Source(s)
- (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
Other Names and Identifiers
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
InChIKey
InChIKey=OBRMNDMBJQTZHV-UHFFFAOYSA-N
SMILES
O=S1(=O)OC(C=2C1=CC=CC2)(C3=CC(C)=C(O)C=C3)C4=CC(C)=C(O)C=C4
Canonical SMILES
O=S1(=O)OC(C2=CC=C(O)C(=C2)C)(C3=CC=C(O)C(=C3)C)C=4C=CC=CC41
Other Names for this Substance
- Phenol, 4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-
- o-Cresol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide
- o-Cresolsulfonephthalein
- Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-, S,S-dioxide
- o-Toluenesulfonic acid, α-hydroxy-α,α-bis(4-hydroxy-m-tolyl)-, γ-sultone
- 3H-2,1-Benzoxathiole, phenol deriv.
- 4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methylphenol]
- o-Cresol Red
- o-Cresolsulfonphthalein
- Cresol red
- 3′,3′′-Dimethylphenolsulfonephthalein
- Cresolsulfophthalein
- NSC 7224
Deleted or Replaced CAS Registry Numbers
32210-84-7
