5-Aminopentanamide hydrochloride is primarily used in biochemical research and pharmaceutical development. It serves as a key intermediate in the synthesis of various bioactive compounds, particularly in the production of peptide-based drugs. Its structure is valuable for modifying peptides to enhance their stability, bioavailability, or therapeutic efficacy. Additionally, it is utilized in the study of enzyme mechanisms and protein interactions, aiding in the understanding of biochemical pathways. This compound also finds application in the development of novel treatments for neurological disorders, as it can be incorporated into molecules targeting specific receptors in the brain. Its versatility makes it a useful tool in medicinal chemistry and drug discovery.