Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 2-Chloro-4-fluorobenzonitrileCAS NO.: 60702-69-4
High Quality 2-(Chloromethyl)pyridine hydrochlorideCAS NO.: 6959-47-3
High Quality Diethyl (tosyloxy)methylphosphonateCAS NO.: 31618-90-3