2-Methoxyisophthalic acid is primarily utilized in the synthesis of advanced polymers and resins, where it serves as a key building block for creating materials with enhanced thermal stability and mechanical properties. Its incorporation into polymer chains improves the overall performance of coatings and adhesives, making them more durable and resistant to environmental stressors. Additionally, this compound is employed in the production of specialty chemicals, such as liquid crystals and organic semiconductors, which are critical components in electronic displays and photovoltaic devices. Its role in pharmaceutical research is also noteworthy, as it acts as an intermediate in the synthesis of various bioactive molecules, contributing to the development of new therapeutic agents.