CAS No.: | 69-78-3 |
Molecular Weight: | 396.35 g/mol |
Chemical Formula | C14H8N2O8S2 |
5,5-Dithiobis(2-Nitro Benzoic Acid) or 3-Carboxy-4-nitrophenyl disulfide or 6,6′-Dinitro-3,3′-dithiodibenzoic acid or Bis(3-carboxy-4-nitrophenyl) disulfide or DTNB or Elman's reagent is a 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.
General Properties and Specifications of 5,5-Dithiobis(2-Nitro Benzoic Acid) or 3-Carboxy-4-nitrophenyl disulfide or 6,6′-Dinitro-3,3′-dithiodibenzoic acid or Bis(3-carboxy-4-nitrophenyl) disulfide or DTNB or Elman's reagent: