Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 1-Phenyl-1,2,3,4-tetrahydro-isoquinolineCAS NO.: 22990-19-8
High Quality 2-Benzylidene isobutyryl acetanilideCAS NO.: 125971-57-5
High Quality Ethyltriphenylphosphonium bromideCAS NO.: 1530-32-1