98.5%min hplc
mycophenolic acid
appearance |
white or almost white crystalline powder |
identification |
ir:consistent with referencestandard hplc:hplc retention time conforms to standard |
melting point |
140~144℃ |
loss on drying |
≤0.5% |
solubility |
should in methanol,acetone ,methylene,chloride,sparingly soluble in ethyl acetate and the solution should be clear,insoluble in water |
related substance |
total impurities≤2.0% any impurity≤1.0% z-isomer impurity≤0.05% |
assay (on drying basis) |
≥98.5% |
residual solvents |
butyl acetate ≤2000ppm |