Levodopa
CAS No.: 59-92-7
Product Name: Levodopa
CAS#59-92-7
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#59-92-7
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Levodopa :
| Items | Specification | Results |
| Appearance | White or off-white crystalline powder, odourless | White crystalline powder odourless |
| Identification | As USP39 | Conforms |
| Assay | 98.0%～102.0% | 99.4% |
| Specific rotation | -160.0°~-167.0° | -160.7° |
| Impurity A | ≤0.1% | Conforms |
| L-Tyrosine | ≤0.1% | <0.1% |
| Impurity B | ≤0.5% | Conforms |
| L-Veratrylglycine | ≤0.1% | Conforms |
| Any unspecified impurity | ≤0.1% | Conforms |
| Total impurity | ≤1.1% | <1.1% |
| Heavy metals | ≤20ppm | <20ppm |
| Loss on drying | ≤0.50% | 0.24% |
| Residue on ignition | ≤0.10% | 0.06% |
