(R)-2,4-Diaminobutanoic acid dihydrochloride is primarily used in biochemical research and pharmaceutical development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting neurological and metabolic pathways. Its chiral nature makes it valuable in the production of enantiomerically pure drugs, enhancing their efficacy and reducing side effects. Additionally, it is utilized in peptide synthesis, where it acts as a building block for creating specific amino acid sequences. This compound is also explored in studies related to enzyme inhibition and receptor binding, contributing to advancements in drug discovery and therapeutic applications.