We need to purchase the Cyclobutanecarboxylic acid(cas#:3721-95-7). Please quote me with the following: 1. Purity (attach a typical COA please.) 2. CIF prices to Shanghai by sea. Erik Cui Intl Trade Director Shanghai Senyo International Trading Co., Ltd. Mob: +86-137 7441 6160 | Tel: +86-021-5032 7798 | Fax: +86-021-5032 7797 Welcome to visit us on CPhI China 20111 (21-23 June, Shanghai) at booth T2A50 ^_^! Show More