Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Its structure allows for incorporation into more complex molecules where the pyridinylthio group acts as a directing or activating moiety in organic transformations. Commonly employed in the development of herbicides and fungicides due to the bioactive nature of the pyridine ring. Also serves as a reagent in the preparation of thioether-containing compounds with potential medicinal properties. Its ester functionality enables easy modification under mild reaction conditions, making it valuable in research laboratories for building sulfur-linked heterocyclic systems.