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MW 351.5 Da, Purity >98%. Fluorescent probe for measuring protein conformational changes and quantitative measurement of protein hydrophobicity processes that modify the exposure of the probe to water. Essentially nonfluorescent in water. Fluorescent when bound to membranes (q.y. ~0.27) or hydrophobic domains of proteins (q.y. ~0.72). Fluorescence enhanced by cyclodextrins. Can be used to provide a sensitive method for separating and analyzing cyclodextrins by capillary electrophoresis.

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Images

Chemical Structure - 6-p-Toluidino-2-naphthalenesulfonic acid, potassium salt (TNS-K+) (AB275213), expandable thumbnail

Publications

Key facts

CAS number
32752-10-6
Purity
> 98%
Form
Solid
Molecular weight
351.5 Da
Molecular formula
C17H14KNO3S
PubChem identifier
23666335
Nature
Synthetic
Excitation/Emission
Ex: 318nm, Em: 443nm

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MW 351.5 Da, Purity >98%. Fluorescent probe for measuring protein conformational changes and quantitative measurement of protein hydrophobicity processes that modify the exposure of the probe to water. Essentially nonfluorescent in water. Fluorescent when bound to membranes (q.y. ~0.27) or hydrophobic domains of proteins (q.y. ~0.72). Fluorescence enhanced by cyclodextrins. Can be used to provide a sensitive method for separating and analyzing cyclodextrins by capillary electrophoresis.

Key facts

Purity
> 98%
PubChem identifier
23666335
Solubility

Soluble in DMSO.

Soluble in water.

Biochemical name
Potassium 6-(p-toluidino)naphthalene-2-sulphonate
Biological description

Fluorescent probe for measuring protein conformational changes and quantitative measurement of protein hydrophobicity processes that modify the exposure of the probe to water. Essentially nonfluorescent in water. Fluorescent when bound to membranes (q.y. ~0.27) or hydrophobic domains of proteins (q.y. ~0.72). Fluorescence enhanced by cyclodextrins. Can be used to provide a sensitive method for separating and analyzing cyclodextrins by capillary electrophoresis.

Canonical SMILES
CC1=CC=C(C=C1)NC2=CC3=C(C=C2)C=C(C=C3)S(=O)(=O)[O-].[K+]
InChI
InChI=1S/C17H15NO3S.K/c1-12-2-6-15(7-3-12)18-16-8-4-14-11-17(22(19,20)21)9-5-13(14)10-16;/h2-11,18H,1H3,(H,19,20,21);/q;+1/p-1
InChIKey
GVDCHDBOXJUSDZ-UHFFFAOYSA-M
IUPAC name
potassium;6-(4-methylanilino)naphthalene-2-sulfonate
Excitation/Emission
Ex: 318nm, Em: 443nm

Storage

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
Store in the dark, Store under desiccating conditions

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1 product image

  • Chemical Structure - 6-p-Toluidino-2-naphthalenesulfonic acid, potassium salt (TNS-K+) (ab275213), expandable thumbnail

    Chemical Structure - 6-p-Toluidino-2-naphthalenesulfonic acid, potassium salt (TNS-K+) (ab275213)

    Chemical structure of 6-p-Toluidino-2-naphthalenesulfonic acid, potassium salt (TNS-K+), 32752-10-6

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