L-Z-Isoleucinamide is primarily utilized in the field of biochemistry and pharmaceutical research. It serves as a key intermediate in the synthesis of peptides and amino acid derivatives, which are crucial for developing therapeutic agents. This compound is often employed in studies focused on understanding protein structure and function, as well as in the design of enzyme inhibitors. Additionally, it finds application in the production of chiral compounds, aiding in the creation of drugs with specific stereochemical properties. Its role in metabolic pathway analysis also makes it valuable in nutritional and medical research, particularly in exploring amino acid metabolism and its impact on human health.