Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
CAS NO.38821-49-7
A(1-2)Kilogram
Item | Specifications | Results |
Appearance | White to creamy white powder | Creamy white powder |
Solubility | Meets the requirements | Meets the requirements |
IR | The spectrum of sample comlies with the spectrum obtained with standard | Complies |
Assay: RT | Corresponds to the peak obtained with the standard | Corresponds |
Specific rotation | -21°~-23.5° | -22.2° |
Loss on drying | 6.9%-7.9% | 7.3% |
Residue on ignition | Not more than 0.1% | 0.03% |
Heavy metals | Not more than 0.001% | Less than 0.001% |
Methyldopa | Not more than 0.5% | 0.18% |
Carbidopa related compound A | Not more than 0.5% | 0.08% |
Residual solvents | Meets the requirements | Meets the requirements |
Assay | 980-102.0% | 99.3% |
Conclusion | Conforms to USP32 |