Used as a key intermediate in the synthesis of pharmaceuticals and agrochemicals, particularly in the development of sulfur-containing active ingredients. It serves as a building block in organic synthesis for creating disulfide-linked compounds, which are important in drug design for their redox-responsive properties. Also applied in the preparation of functional materials and ligands for catalysis. Its methoxy-substituted aromatic structure enhances solubility and stability in various reaction systems, making it suitable for use in controlled coupling reactions and in the formation of complex organic molecules.