Shiono Chemical

Shiono Chemical Co., Ltd. is a Japanese pharmaceutical company founded in 1947, specializing in the research, development, and manufacture of active pharmaceutical ingredients (APIs) and finished drug products. The company is a key player in the Japanese generic market, providing a wide range of APIs and contract manufacturing services (CMO) to global and domestic partners. Their core expertise lies in sophisticated organic synthesis and the production of complex chemical intermediates. Headquartered in Tokyo, Shiono Chemical operates advanced manufacturing facilities, including its primary plant in Shiga, which adhere to strict international Good Manufacturing Practice (GMP) standards. The company supports therapeutic areas such as neurology, cardiology, and metabolic health through its robust supply of high-quality pharmaceutical materials.