Used as an intermediate in the synthesis of pharmaceuticals, particularly in the production of vitamins like vitamin B3 (niacin) and related compounds. Serves as a catalyst or reagent in organic reactions, especially in oxidation processes where it facilitates selective transformations. Employed in the preparation of agrochemicals and functionalized pyridine derivatives due to its ability to modify reactivity in ring systems. Also utilized in coordination chemistry as a ligand for metal complexes in catalytic applications.