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51481-61-9 51481-61-9 51481-61-9
Crystalline Powder Pharmaceutical Raw Materials Cimetidine Cas 51481-61-9
Introduction:
Use cimetidine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use cimetidine.
Specification
Item | Standard | Result |
Appearance | White or off-white crystalline powder odorless, bitter taste | Conforms |
IR Absorption | Consist with the spectra obtained with Cimetidine CRS. | Conforms |
UV Absorption | Should conform | Conforms |
Melting point | 139-144°C | 140.5-141.0°C |
Heavy metal | ≤20ppm | <20ppm |
Residue on ignition | ≤0.2% | 0.02% |
Related substances | Single impurity≤0.2% | 0.15% |
Total impurity≤1.0% | 0.47% | |
Loss on drying | ≤1.0% | 0.06% |
Organic volatile impurities (ethanol) (loss on drying) | ≤0.5% | 0.06% |
Assay (calculated with reference on dried substance) | 98.0-102.0% | 99.60% |
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