Profile: Shanghai Book Chemical Co., Ltd. is a manufacturer of chemical solvents. We provide a wide range of chemicals, APIs, and pharmaceutical intermediates like azaindole derivatives, and indole derivatives. We also specialize in custom synthesis of organic chemicals, and contract research. Our products include diaza indole, anti-cancer inhibitors, boric acid, azaindole derivatives, indole derivatives, pharmaceutical intermediates, pyridine derivatives, and various other products.