C-Methylcalix[4]resorcinarene is widely used in supramolecular chemistry for its ability to form host-guest complexes. Its cavity-like structure makes it effective for encapsulating small molecules, ions, or gases, which is useful in molecular recognition and sensing applications. It is also employed in the development of chemical sensors, where it selectively binds to specific analytes, enabling detection and measurement. Additionally, this compound finds use in catalysis, where it acts as a molecular scaffold to facilitate chemical reactions. Its role in drug delivery systems is also notable, as it can encapsulate and release therapeutic agents in a controlled manner. Furthermore, it is utilized in materials science for creating advanced nanostructures and functional materials.