Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 4-(4-Methylpiperazino)anilineCAS NO.: 16153-81-4
High Quality Atorvastatin tert-Butyl EsterCAS NO.: 134395-00-9
High Quality Hexamethylphosphorous triamideCAS NO.: 1608-26-0