Used primarily as an intermediate in the synthesis of pharmaceuticals, particularly in the development of benzimidazole-based drugs. It serves as a building block for compounds with antiparasitic, antiviral, and anticancer activities. Its structure allows for easy modification in drug design, making it valuable in medicinal chemistry research. Commonly employed in the preparation of proton pump inhibitors and anthelmintic agents due to the benzimidazole core’s affinity for biological targets. Also utilized in the creation of ligands for metal-catalyzed reactions in organic synthesis.