Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality BIS(2-METHACRYLOXYETHYL)-N,N'-1,9-NONYLENE BISCARBAMATECAS NO.: 41137-60-4
High Quality 2,3-Dihydro-3,5-dihydroxy-6-methyl-4(H)-pyran-4-oneCAS NO.: 28564-83-2
High Quality (2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium sodium saltCAS NO.: 150849-52-8