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High quality Cimetidine CAS 51481-61-9 Cimetidine Cas 51481-61-9 with competitive price for sale Pharmaceutical raw material Cimetidine 51481-61-9
Product Name: cimetidine
CAS RN.: 51481-61-9;2984-61-4
EINECS: 257-232-2
Molecular Weight: 252.34
Molecular Formula: C10H16N6S
Melting Point(℃): 139-144℃
Water Solubility: 0.5 g/100 mL at 20℃
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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