CAS number：50-23-7
Molecular formula：C21H30O5
molecular weight：362.4599
Chemical structure：
|
Product |
HYDROCORTISONE BASE |
|
|
Shelf Life |
3 years |
|
|
ITEM |
SPECIFICATION | RESULT |
|
CHARACTER |
WHITE TO ALMOST WHITE CRYSTALLINE POWDER |
ALMOST WHITE CRYSTALLINE POWDER |
| IDENTIFICATION |
（A）COMPLIES BY IR |
CONFORMS |
| （B）UV:△E/EES≤2.5% | 0.2% | |
| TEST | ||
|
SPECIFIC ROTATION |
+150° TO +156° |
+153.0° |
| LOSS ON DRYING | ≤1.0% | 0.3% |
| RESIDUE ON IGNITION | ≤0.5% | 0.1% |
| RELATED SUBSTANCES | INDIVIDUAL IMPURITY ≤0.5% | 0.28% |
| TOTAL IMPURITIES ≤2.0% | 0.09% | |
| RESIDUAL SOLVENT | CYCLOHEXANE ≤3880ppm | 2PPM |
| METHANOL≤3000PPM | 82PPM | |
|
ASSAY |
CONTAINS 97.0% TO 102.0% OF C21H30O5 CALCULATED ON DRIED BASIS | 100.1% |
|
CONCLUSION: |
THE PRODUCT CONFORMS TO USP38 AND CUSTOMER STANDARD. | |
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