Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of antifungal and antiviral agents. Its reactivity allows for the introduction of the imidazole ring into larger molecules, which is a key structural feature in many bioactive compounds. Commonly employed in the preparation of histamine H2-receptor antagonists and other nitrogen-containing heterocyclic drugs. Also utilized in agrochemical synthesis for creating active ingredients in crop protection products. Its chloromethyl group facilitates alkylation reactions, making it valuable in organic synthesis and medicinal chemistry research. Additionally, it serves as a linker or molecular modifier in biochemical research involving proteins or peptides.