Used in organic semiconductor materials due to its electron-transport properties, 4-Methylbenzoxazole serves as a building block in the synthesis of fluorescent dyes and optical brighteners. It is also employed in the development of pharmaceutical intermediates, particularly in compounds targeting central nervous system disorders. Its rigid aromatic structure enhances stability and performance in photovoltaic devices and OLEDs. Additionally, it finds use in agrochemicals as a modifier to improve metabolic resistance in active ingredients.