Dojindo Laboratories

Dojindo Laboratories is a prominent Japanese biotechnology company that develops and manufactures high-quality chemical reagents for life science research. The company is best known for its innovative assay kits, such as the Cell Counting Kit-8 (CCK-8), which has become a global standard for measuring cell viability and cytotoxicity. Beyond cell proliferation, Dojindo provides a diverse range of products for oxidative stress detection, protein conjugation, and metabolic research. With a history dating back to 1910, the company maintains a strong focus on chemical synthesis and analytical chemistry to support scientific advancement. Dojindo operates through a network of international subsidiaries, ensuring its specialized tools are accessible to researchers in academia and the pharmaceutical industry.