L-2-Aminobutyric acid is primarily used in biochemical research as a precursor or intermediate in the synthesis of various biologically active compounds. It plays a role in studying metabolic pathways, particularly those involving amino acid metabolism. Additionally, it is utilized in the development of pharmaceuticals, where it serves as a building block for drugs targeting neurological disorders. Its application extends to the production of peptides and other organic molecules in laboratory settings, aiding in the exploration of protein structures and functions.