2-(Phenylthio)nicotinic acid is primarily utilized in the field of organic synthesis as a key intermediate for the production of various pharmaceuticals. It plays a significant role in the development of compounds with potential therapeutic properties, particularly in the synthesis of anti-inflammatory and analgesic agents. Additionally, this chemical is employed in research settings to study its reactivity and potential applications in creating novel heterocyclic compounds, which are valuable in medicinal chemistry. Its unique structure allows it to act as a building block for more complex molecules, contributing to advancements in drug discovery and development.