Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Diethyl oxalacetate sodium saltCAS NO.: 40876-98-0
High Quality 4-NITRO-2-(TRIFLUOROMETHYL)BENZONITRILECAS NO.: 320-47-8
High Quality CIS-HEPTACHLOREPOXIDE EXO-, ISOMER BCAS NO.: 1024-57-3