Methyl prednisolone impurity refers to unwanted chemical substances that may form during the synthesis, storage, or degradation of methyl prednisolone, a corticosteroid used for its anti-inflammatory properties. One such impurity is Methyl Prednisolone,which may arise due to raw material variations, environmental factors, or chemical reactions during manufacturing. see more: https:... https://www.allmpus.com/methylprednisolone-methylprednisolone-acetate-ep-impurity-b-methylprednisolone-hydrogen-succinate-ep-impurity-a