2-Methylthio-4-trifluoromethylbenzoic acid is primarily used in the synthesis of agrochemicals, particularly in the development of herbicides and pesticides. Its structure allows it to act as a key intermediate in creating compounds that target specific enzymes or pathways in weeds and pests, enhancing the efficacy of crop protection products. Additionally, it finds application in pharmaceutical research, where it serves as a building block for designing molecules with potential therapeutic properties, such as anti-inflammatory or antimicrobial agents. Its trifluoromethyl group contributes to improved metabolic stability and bioavailability, making it valuable in drug discovery.