Isatoic anhydride, also known as 2,3-dioxoindoline, is an organic compound with the molecular formula C8H5NO3. It is an off-white solid that is soluble in organic solvents such as ethanol, acetone, and chloroform. Isatoic anhydride is mainly used as a structural unit in various chemical reactions and synthesis processes. The core of isatoic anhydride is a key intermediate in the production of pharmaceuticals, dyes and pigments. Its unique structure allows a variety of chemical transformations and functional group modifications, resulting in a variety of valuable compounds. In addition, isatoic anhydride is used in the synthesis of indole-3-acetic acid, an important agricultural plant hormone.
