Artemether
CAS No.: 71963-77-4
Product Name: Artemether
CAS#71963-77-4
Spec: API
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#71963-77-4
Spec: API
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Artemether :
| Items | Specification | Results |
| Appearance | White crystals or crystalline powder; Odorless | White crystalline powder; Odorless |
| Identification 1 | Conform | Conform |
| Identification 2 | Conform | Conform |
| IR | The infrared light absorption spectrum of this product should be consistent with the control spectrum | The infrared light absorption spectrum is consistent with the control spectrum |
| HPLC | The retention time of the main peak of the test solution should be consistent with that of the reference solution | The retention time of the main peak of the test solution is consistent with that of the reference solution |
| Melting Point | 86～90℃ | 86.0～87.0℃ |
| Specific rotation | +168°~+173° | +168.5° |
| Chloride | ≤0.01% | <0.01% |
| Loss on drying | ≤0.5% | 0.03% |
| Artemisole impurity II | ≤0.25% | not detected |
| Dihydroartemisinin | ≤0.25% | not detected |
| Artemisole impurity I | ≤0.25% | not detected |
| α -artemisole | ≤0.25% | not detected |
| Other individual impurities | ≤0.1% | not detected |
| Total impurity | ≤1.0% | not detected |
| Residue on ignition | ≤0.1% | <0.1% |
| Methyl alcohol | ≤0.3% | 0.06% |
| Methyl acetate | ≤0.5% | not detected |
| content | 98.0%～102.0% | 100.1% |
