Triphenylphosphine oxide

Founded in 2007, Shanghai Xupon Medical Technology Co., Ltd. (cbpharm.com) manufactures active pharmaceutical ingredients and fine chemical intermediates, including mebhydroline napadisylate, ofloxacin and levofloxacin acid precursors, memantine hydrochloride, and abacavir, alongside a range of Wittig-reaction phosphonium salt reagents (carbmethoxy/carbethoxy triphenylphosphonium bromides) and building blocks such as dichloromethoxypyrimidine and a chromen-4-one intermediate. Categorized under prophylactic biological products, chiral intermediates and other antibiotics, the company sells across North and South America, Western and Eastern Europe, Australasia, Asia, the Middle East and Africa.