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. |