3-Oxetanone is primarily utilized in organic synthesis as a versatile building block for the creation of more complex molecules. Its strained four-membered ring structure makes it a valuable intermediate in the development of pharmaceuticals, where it can be incorporated into drug candidates to enhance their biological activity or stability. Additionally, it is employed in polymer chemistry to synthesize specialized polymers with unique properties, such as improved mechanical strength or chemical resistance. The compound is also explored in materials science for the design of advanced materials, including coatings and adhesives, due to its reactivity and ability to form strong chemical bonds. Furthermore, 3-Oxetanone is used in research to study ring-opening reactions, which are fundamental in understanding reaction mechanisms and developing new synthetic methodologies.