Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 2,4-Dichloro-5-fluoropyrimidineCAS NO.: 2927-71-1
High Quality 6-Methylpyridine-3-boronic AcidCAS NO.: 659742-21-9
High Quality Ethyl 5-methyl-1H-pyrrole-2-carboxylateCAS NO.: 3284-51-3