Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Methyltriphenylphosphonium iodideCAS NO.: 2065-66-9
High Quality N-(tert-Butoxycarbonyl)-(S)-(+)-3-pyrrolidinolCAS NO.: 101469-92-5
High Quality 4-tert-Butylphenylboronic acidCAS NO.: 123324-71-0