Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 7-Diethylamino-4-methylcoumarinCAS NO.: 91-44-1
High Quality n-Butyryl tri-n-hexyl citrateCAS NO.: 82469-79-2
High Quality 11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepine dihydrochlorideCAS NO.: 111974-74-4