SITS Disodium Salt, or 4-acetamido-4'-isothiocyano-2,2'-stilbenedisulfonic acid disodium salt, is a compound widely used in biochemical research. It serves as a fluorescent precursor and a probe for studying protein-protein interactions and protein folding. While it may seem like a complex name, there are alternative terms for SITS Disodium Salt that are frequently used. Some synonyms for this compound include SITS, SIN-1, sulforhodamine 101 acid chloride, and stilbene isothiocyanate. These synonyms allow scientists and researchers to communicate effectively when referring to this specific compound. Whether it's referred to as SITS, SIN-1, sulforhodamine 101 acid chloride, or stilbene isothiocyanate, this versatile compound plays a crucial role in various biological studies.