Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High quality Phenol,2,2'-[1,2-ethanediylbis(nitrilomethylidyne)]bis-(94-93-9)CAS NO.: 94-93-9
High quality D-Gluconic acid, 4-O-b-D-galactopyranosylCAS NO.: 96-82-2