Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 3,4,9,10-Perylenetetracarboxylic dianhydrideCAS NO.: 128-69-8
High Quality N,N-DIMETHYL-M-PHENYLENEDIAMINE DIHYDROCHLORIDECAS NO.: 3575-32-4
High Quality 2-Chloro-4-fluorobenzonitrileCAS NO.: 60702-69-4
High Quality 2-(Chloromethyl)pyridine hydrochlorideCAS NO.: 6959-47-3