DL-Serine Hydrazide Hydrochloride is primarily utilized in biochemical research and pharmaceutical development. It serves as a key intermediate in the synthesis of various bioactive compounds, particularly those involving hydrazide derivatives. Its applications include the preparation of potential therapeutic agents, such as antimicrobial and anticancer drugs, due to its ability to form stable complexes with metal ions and participate in diverse chemical reactions. Additionally, it is employed in the study of enzyme inhibition and as a reagent in organic synthesis to explore novel chemical pathways. Its role in peptide modification and protein engineering further highlights its significance in advancing biotechnological innovations.