KH-CB19 is widely used in organic synthesis as a catalyst, particularly in reactions involving carbon-carbon bond formation. Its application is prominent in asymmetric synthesis, where it helps in producing chiral molecules with high enantioselectivity. This makes it valuable in the pharmaceutical industry for the production of active pharmaceutical ingredients (APIs) with specific stereochemistry. Additionally, KH-CB19 is employed in polymer chemistry to control polymerization processes, leading to the creation of polymers with tailored properties. Its versatility also extends to material science, where it aids in the development of advanced materials with precise structural characteristics.