Teikoku Kagaku Sangyo

Teikoku Kagaku Sangyo Co., Ltd., also known as Teikoku Chemical Industries, is a Japanese pharmaceutical company headquartered in Osaka that specializes in the development and manufacture of ethical drugs and active pharmaceutical ingredients (APIs). Founded in 1945, the company has established a strong reputation in the field of gastroenterology, particularly through its Magcorol product line, which is widely used for bowel cleansing prior to medical procedures. In addition to finished dosage forms, Teikoku Kagaku Sangyo is a significant producer of APIs, including cardiovascular agents like trimetazidine hydrochloride. The company operates GMP-compliant manufacturing facilities in Itami, Hyogo Prefecture, where it conducts chemical synthesis and pharmaceutical formulation. As a private entity, it focuses on maintaining high quality standards for the domestic Japanese market while supporting global supply chains through its API business.