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Thermo Scientific™ Cresol Red

Brand:  Thermo Scientific™ A17243.14

Additional Details : CAS Number : 1733-12-6 Weight : 0.02500kg

Quantity 25g

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Product Code. 11483467

  • 434.32 SEK / 25g

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Description

Description

This Thermo Scientific brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Applications
Cresol red is commonly used with lead acetate for the detection of urease after PAGE. It is also used as an indicator with the following transition intervals: pH 1.8 (orange) to pH 2.0 (yellow); pH 7.0 (yellow) to pH 8.8 (violet). Cresol Red is used as a tracking dye in DNA, RNA (agarose) and protein (polyacrylamide) electrophoresis. In agarose, Cresol Red runs with an apparent molecular size of approx. 125 bp DNA. Cresol Red does not inhibit Taq polymerase.

Solubility
Soluble in water (slightly at 20°C), 50% ethanol (0.1%), dil. acids, and dil. alkalis. Insoluble in benzene.

Notes
Transition interval (acid): pH 1.8 (orange) to pH 2.0 (yellow); (alkaline) pH 7.0 (yellow) to pH 8.8 (violet)
Specifications

Chemical Identifiers

1733-12-6
382.43
OBRMNDMBJQTZHV-UHFFFAOYSA-N
73013
4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol
C21H18O5S
MFCD00005878
o-Cresolsulfonephthalein
CHEBI:86218
CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1

Specifications

Cresol Red
C21H18O5S
343399
o-Cresolsulfonephthalein
OBRMNDMBJQTZHV-UHFFFAOYSA-N
4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol
73013
382.44
25g
1733-12-6
MFCD00005878
14,2578
Soluble in water (slightly at 20°C),50% ethanol (0.1%),dil. acids,and dil. alkalis. Insoluble in benzene.
CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1
382.43
CHEBI:86218
>300°C
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RUO – Research Use Only