Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High quality Benzene,1,2,4-trichloro-5-[(4-chlorophenyl)sulfonyl]CAS NO.: 116-29-0
High quality 4-Thiazolidinecarboxylicacid, 3-acetylCAS NO.: 5025-82-1
High quality 3,9-Perylenedicarboxylicacid, 3,9-bis(2-methylpropyl) ester(2744-50-5)CAS NO.: 2744-50-5