奥美拉唑 : Omeprazole 99% Product details Omeprazole Product Name: Omeprazole CAS No:73590-58-6 Content:99% Packing:25KG/BARREL Molecular Formula:C17H19N3O3S Molecular Weight:345.42 Quality Standards:USP24/BP2002/EP4 Appearance:White or white powder