Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antihypertensive drugs and angiotensin II receptor antagonists. It plays an important role in forming carbon-heteroatom bonds due to the reactivity of the chloromethyl group, making it valuable in constructing heterocyclic compounds. Commonly employed in medicinal chemistry for derivatization of thiazole-based bioactive molecules. Also utilized in agrochemicals for the production of certain fungicides and plant growth regulators. Its hydrochloride salt form enhances stability and solubility in polar solvents, facilitating its use in various synthetic routes.