(S)-2-Aminonon-8-enoic acid is primarily utilized in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the production of various bioactive compounds, particularly those targeting neurological and metabolic disorders. Its unique structure, featuring both an amino group and an unsaturated carbon chain, makes it valuable for designing peptide-based drugs and enzyme inhibitors. Additionally, it is explored in the development of novel therapeutic agents for conditions such as Alzheimer's disease and diabetes, owing to its potential to modulate specific biochemical pathways. Its application extends to material science, where it is used in the synthesis of specialized polymers with tailored properties.