Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Tofacitinib citrate intermediateCAS NO.: 90213-66-4
High Quality D-3-Bromocamphor-8-sulfonic acid ammonium saltCAS NO.: 14575-84-9
High Quality 1-Benzothiophene-3-carbaldehydeCAS NO.: 5381-20-4