Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 4-Amino-6-Chloropyrimidine 6-Amino-4-ChloropyrimidineCAS NO.: 5305-59-9
High Quality 2,3-Di-O-para-toluoyl-D-tartaric acidCAS NO.: 32634-68-7