Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High quality L-(-)-Dibenzoyl-L-tartaric acid monohydrateCAS NO.: 62708-56-9
Factory supplu high quality Tetrapropylammonium bromideCAS NO.: 1941-30-6
High quality Benzyltriethylammonium chlorideCAS NO.: 56-37-1
High quality Methyltriphenylphosphonium bromideCAS NO.: 1779-49-3