Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 2-Butyl-3-(3,5-Diiodo-4-hydroxy benzoyl) benzofuranCAS NO.: 1951-26-4
High Quality 4,4'-Bis(dimethylamino)thiobenzophenoneCAS NO.: 1226-46-6
High Quality Nickel(II) acetate tetrahydrateCAS NO.: 6018-89-9