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Compound Summary for: CID 6254

Dithionitrobenzoic Acid

Also known as: DTNB; 5,5'-Dithiobis(2-nitrobenzoic acid); 69-78-3; 3-Carboxy-4-nitrophenyl disulfide; Ellman's Reagent; Dithiobisnitrobenzoic acid
Molecular Formula: C14H8N2O8S2   Molecular Weight: 396.35192   InChIKey: KIUMMUBSPKGMOY-UHFFFAOYSA-N
A standard reagent for the determination of reactive sulfhydryl groups by absorbance measurements. It is used primarily for the determination of sulfhydryl and disulfide groups in proteins. The color produced is due to the formation of a thio anion, 3-carboxyl-4-nitrothiophenolate.   From: MeSH
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