Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 1,4a,5,7a-Tetrahydro-1-hydroxy-7-(hydroxymethyl)-cyclopenta(c)pyran-4-carboxylic acid methyl esterCAS NO.: 6902-77-8
High Quality 1-Ethyl-3-methylimidazolium dicyanamideCAS NO.: 370865-89-7
High Quality 5-Bromo-2-chlorobenzoic acidCAS NO.: 21739-92-4
High Quality N-Methyl-1,2-benzenediamine dihydrochlorideCAS NO.: 25148-68-9