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5 Kilogram |
Negotiable |
Prednisolone Prednisolone 97% Hormone
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Prednisolone
Appearance |
White or almost white,crystalline,hygroscopic powder |
Identification |
IR:Conforms to the CRS spectrum UV:Absorptivities a 242nm,calculated on the dried basis,do not differ by more than 2.5% |
Specific rotation |
+97°~ +103° |
Loss on drying |
≤1.0% |
Residue on ignition |
Negligible,from 100mg |
Selenium |
0.003%.200mg test specimen being used |
Chromatographic purity(HPLC) |
Any individual impurity≤1.0% ≥0.5% impurity not more than one Total impurities≤2.0% |
Assay (by HPLC) |
Contains 97.0%~102.0% of C21H28O5 Calculated on anhydrous basis |
Residual solvents |
Methanol≤3000ppm Ethanol≤3000ppm Methylene≤600ppm |
Particle size |
99%≤30µm |
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