5,5'-Dithiobis(2-nitrobenzoic acid) by Research Lab Fine Chem Industries is a high grade reagent. This reagent is also known as Ellman's reagent. The reagent is available as a powder which is soluble in water. It has a melting point of 240 to 245 C. While it is stable under general conditions, this reagent is incompatible with strong oxidizing agents. CAS No.: 69-78-3 Quantity Provided: 1 gm per bottle Molecular formula: C14H8N2O8S2 Molecular weight: 396.355,5'-Dithiobis(2-nitrobenzoic acid) has a variety of applications in chemical and biological sectors. This compound finds several applications in the synthesis of various organic derivatives. Ellmans reagent can detect sulfhydryl groups and is used to quantify the number or concentration of thiol groups in a sample. It is generally employed in HPLC to determine the alkylthiol content. This reagent is suitable for the industrial synthesis of products and research applications.