Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Propanamide,2-methyl-N-[4-nitro-3-(trifluoromethyl)phenyl]CAS NO.: 13311-84-7
High Quality 3-Methyl-1-phenyl-2-pyrazolin-5-oneCAS NO.: 89-25-8