Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 5-(2-Carboxybenzoyl)-2-chlorobenzenesulfonyl chlorideCAS NO.: 68592-12-1
High Quality 3,4,5,6-Tetrachloro-2-cyanobenzoic acid ammonium saltCAS NO.: 34643-39-5
High Quality 6,7-Dimethoxyquinazoline-2,4-dioneCAS NO.: 28888-44-0