2-Bromo-3-methoxypropanoic acid is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and fine chemicals. Its bromine and methoxy groups make it a versatile building block for constructing more complex molecules. It is often employed in the synthesis of active pharmaceutical ingredients (APIs) where specific functional groups are required for biological activity. Additionally, it can be used in the development of agrochemicals, such as herbicides and pesticides, due to its ability to introduce specific structural motifs that enhance efficacy. In research, it serves as a reagent for studying reaction mechanisms or developing new synthetic pathways. Its applications are driven by its ability to act as a precursor in various chemical transformations, making it valuable in both industrial and academic settings.