2，2’-bisquinoline -4,4’-dicarboxylic acid CAS NO.1245-13-2

suzhou yacoo science co.,ltd was founded in 2003. it is a high-tech enterprise which specializing in biomedicine, electrochemical materials, import and export business, electronic mall, up to now，it has 10 years history on chemical sales, r & d and production operations. company also set sales and service outlets in shanghai, beijing, guangzhou, jinan and other cities, which owning first-class marketing team and technical support personnel. its famous brands-yacoo were exported to europe, america and southeast asian countries. in order to meet the demand of the market of high-tech industrial products which updates fast, respones service timely, requires high technical and grows rapidly , yacoo has established 5000㎡ research and test center and 10000㎡ production base， which have passed iso9001: 2008 quality system certification. we have rapid logistics network, high quality service to provide more than 20000 kinds of products for china and global customer. relying on its own synthesis of unique and rich experience in research and development, provide scientific products from grams to tons of commissioned service as well as the mass production services for customers.