6α-Methyl Prednisolone 17,21-(Ethyl)orthopropionate is an impurity of 6α-Methyl Prednisolone (M325934), a glucocorticoid which displays anti-inflamatory and antioxidant properties and attenuates apoptosis in oligodendrocytes after injury. 6α-Methyl Prednisolone is neuroprotective. Molecular Formula: C27H38O6 Molecular Weight: 458.59