What are the main uses of 3,3'-Disulfanediylbis(6-nitrobenzoic acid) (CAS: 69-78-3)?

3,3'-Disulfanediylbis(6-nitrobenzoic acid) (CAS: 69-78-3) is primarily used in pharmaceutical research as a building block for drug development, particularly in compounds targeting inflammatory or neurological conditions. It also serves as an intermediate in the synthesis of dyes, pesticides, and other organic materials. In analytical chemistry, it is employed for spectroscopic studies due to its distinct functional groups, and in industrial applications, it may be used as a reagent for modifying polymer properties.