Cimetidine CAS 51481-61-9 supplier in China
Details
Product Name: Cimetidine
CAS.No: 51481-61-9
MF: C10H16N6S
MW: 252.34
EINECS: 257-232-2
Cimetidine, also known as armor cyanogen guanidine, is a kind of histamine H2 receptor impedance agent, is mainly used to suppress the secretion of stomach acid, base and at night can significantly inhibit gastric acid secretion, also can inhibit by histamine, stomach gastrin-releasing peptide and insulin stimulation such as food and gastric acid secretion, and reduce the acidity, the erosive gastritis caused by chemical stimulation has prevention and protection,It is also effective for stress ulcer and upper gastrointestinal bleeding.
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% |