β-Alanine Hydroiodide is primarily used in organic synthesis, particularly in the preparation of peptides and other complex organic molecules. It serves as a reagent in the synthesis of β-amino acids, which are crucial building blocks in the development of pharmaceuticals and bioactive compounds. Additionally, it is utilized in the study of enzyme inhibitors and receptor ligands, aiding in the discovery of new therapeutic agents. Its application extends to research in biochemistry and molecular biology, where it helps in understanding protein interactions and cellular processes.