Verified Company
Shangqiu Kangmeida Bio-Technology Co., Ltd.
Click to enlarge
99%Cimetidine Raw material CAS#51481-61-9 from factory
We can offer sample for our customers!
Any problem please contact me
SKYPE:summer73172
[Appearance]: White crystalline powder Carbidopa
[Molecular Formula]:C10H16N6S
Fuction: Treatment of gastric ulcer
[CAS NO.]: 51481-61-9
[Quality Sandard]: USP
[Package]: 25kg/drum.
Payment term:western union or T/T
| 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% | ||||