3-Amino-5-methoxybenzoic acid is primarily used in the synthesis of various pharmaceutical compounds. It serves as a key intermediate in the production of drugs that target specific medical conditions, particularly in the development of anti-inflammatory and analgesic medications. Its structural properties make it valuable in creating molecules that can interact with biological targets effectively.

In addition to pharmaceuticals, this compound is utilized in organic chemistry research as a building block for more complex chemical structures. It is often employed in the synthesis of dyes and pigments, contributing to the development of colorants used in industrial applications. Its amino and methoxy groups provide reactivity that is advantageous in designing specialized organic molecules.

Furthermore, 3-Amino-5-methoxybenzoic acid finds application in the field of agrochemicals. It is used in the creation of herbicides and pesticides, where its chemical structure aids in the formulation of compounds that can selectively target pests or weeds without harming crops. This makes it a valuable component in sustainable agricultural practices.