Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 1,2-Dimethyl-1,4,5,6-tetrahydropyrimidineCAS NO.: 4271-96-9
High Quality 3,11-Dichloro-6,11-dihydro-6-methyldibenzo[c,f][1,2]thiazepine 5,5-dioxideCAS NO.: 26638-66-4
High Quality SULFONATED ALIPHATIC POLYESTERCAS NO.: 1639-66-3