1-Oxa-6-azaspiro[3.5]nonane is primarily used in the field of organic synthesis as a building block for more complex molecules. Its unique spirocyclic structure makes it valuable in the development of pharmaceuticals, particularly in the creation of compounds with potential biological activity. It is often employed in the synthesis of heterocyclic compounds, which are crucial in drug discovery and development. Additionally, this chemical is utilized in the study of chemical reactions involving spirocyclic frameworks, aiding researchers in understanding reaction mechanisms and designing novel chemical entities. Its application extends to material science, where it can be incorporated into polymers or other materials to impart specific properties.