Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of beta-lactam antibiotics and other bioactive molecules. Its reactive chloromethyl group allows for easy alkylation and coupling reactions, making it valuable in building complex organic structures. Commonly employed in the preparation of resins, polymers, and specialty chemicals where functionalization of aromatic rings is required. Also utilized in agrochemical synthesis for developing herbicides and plant growth regulators. Its versatility in nucleophilic substitution reactions enhances its role in industrial and laboratory-scale organic transformations.