Meropenem trihydrate Description A broad spectrum beta-lactam antibiotic active against both Gram-positive and Gram-negative bacteria Specifications Cas No. 119478-56-7 Product ID M1769 Product Name Meropenem trihydrate Formula C17H25N3O5S 3H2O Formula Wt. 437.51 References A broad spectrum beta-lactam antibiotic active against both Gram-positive and Gram-negative bacteria