conform with usp33.
methylprednisolone
appearance |
white or almost white crystalline powder |
identification |
requirements standard |
specific rotation |
+79° to +86° |
loss on drying |
≤1.0% |
related substances |
single impurity≤1.0% total impurity ≤2.0% |
residue on ignition |
≤0.2% |
assay |
97-103% |