Osaka Synthetic Chemical Laboratories

Osaka Synthetic Chemical Laboratories, Inc. (OSC) is a prominent Japanese chemical manufacturer specializing in the research, development, and commercial production of active pharmaceutical ingredients (APIs), intermediates, and specialty reagents. Established in 1961 and now operating as a key subsidiary of the Kaneka Corporation, the company is globally recognized for its expertise in organic synthesis and its pioneering role in peptide synthesis reagents. OSC was the first company in the world to commercialize peptide coupling reagents like N,N'-dicyclohexylcarbodiimide (DCC) and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) on a large scale. The company functions as a contract development and manufacturing organization (CDMO), supporting the global pharmaceutical industry with a diverse portfolio of high-purity small molecule APIs for indications in cardiovascular, psychiatric, and respiratory health. Headquartered in Nishinomiya, Japan, OSC leverages its integrated manufacturing capabilities and advanced synthesis technologies to serve as a critical link in the global pharmaceutical supply chain.