Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High quality 3,3',4,4'-Benzophenonetetracarboxylic dianhydride(2421-28-5)CAS NO.: 2421-28-5
High quality 1,3-Oxathiolane-2-carboxylicacid, 5-(acetyloxy)-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester,(2R,5S)- (9CI)CAS NO.: 147126-65-6
High quality 2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one(1218-69-5)CAS NO.: 1218-69-5
High quality 1,4-Dioxane-2,5-dione,3,6-dimethyl-, (3R,6R)CAS NO.: 13076-17-0
High quality Butanoic acid,4-[[(2R)-2,4-dihydroxy-3,3-dimethyl-1-oxobutyl]amino]CAS NO.: 18679-90-8