Cyclohexylmagnesium chloride is primarily used as a Grignard reagent in organic synthesis. It is widely employed in the formation of carbon-carbon bonds, particularly in the preparation of cyclohexyl derivatives. This reagent is highly reactive and is commonly used in the synthesis of alcohols, ketones, and carboxylic acids through its reaction with carbonyl compounds such as aldehydes, ketones, and esters. Additionally, it plays a crucial role in the pharmaceutical industry for the production of various cyclohexyl-containing drugs and intermediates. Its ability to act as a nucleophile makes it valuable in the development of complex organic molecules, including agrochemicals and specialty chemicals.