Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 2,4-Diaminobenzenesulfonic acidCAS NO.: 88-63-1
High Quality 1,1-DIBROMO-2,2-BIS(CHLOROMETHYL)CYCLOPROPANECAS NO.: 98577-44-7
High Quality 2-Chloro-5-trichloromethylpyridineCAS NO.: 69045-78-9
High Quality 2-(2-pyridyl)isothiourea N-oxide hydrochlorideCAS NO.: 2770-93-6
High Quality METHYL NONAFLUOROBUTYL ETHERCAS NO.: 163702-07-6