4-Bromo-3-methoxyaniline is primarily used as an intermediate in the synthesis of various organic compounds. It plays a significant role in the production of dyes and pigments, contributing to the vibrant colors in textiles and other materials. Additionally, it is utilized in the pharmaceutical industry for the development of certain drugs, particularly those requiring complex aromatic structures. Its presence in agrochemical formulations also aids in the creation of pesticides and herbicides, enhancing crop protection. Furthermore, this compound is valuable in research and development, serving as a building block for novel chemical entities in academic and industrial laboratories.