The invention discloses a kind of meropenem bulk drug it is characterized in that by weight percentage in described bulk drug the content of meropenem is 98.0%～101.0% with anhydride calculates; In the related substance of described bulk drug impurity A impurity B are all not more than 0.25%; The single impurity of any the unknown is not more than 0.05%; Except A and B other impurity summation is not more than 0.25%; The residual 300ppm that is not more than of acetone.The invention also discloses a kind of meropenem pharmaceutical composition of injection it is activeconstituents that this pharmaceutical composition be take meropenem bulk drug provided by the invention has good stability.Meropenem bulk drug purity provided by the invention is high impurity situation is clear solvent residual low solvability good extended storage stability good can guarantee medicine effectively safety.

暂无附图