UCHEM has been focusing on research and development of N-containing bidentate and tridentate ligands, most of 1,10-phenanthroline, 2,2'-bipyridine and 2,2':6',2"-terpyridine derived synmmetric and unsynmmetric substituted chemicals are available from our stockroom under 1Kg. Some of them could be supplied in large quantity.
UCHEM also supply conjugated polyaryl and polyarylamine, borane derivatives, organotin, etc., most of them are available in large quantity. And also UCHEM provides purchasing service inside China．You may find out what you are looking for from our website: www.uchemchemicals.com, www.myuchem.com or http://myuchem.en.alibaba.com. May you send message to us for help (Email:email@example.com; Skype:buxombug2010).