Complaint
| Package | carton drum with two plastic bags inside |
| Net weight | 25KG/Drum |
| Storage | Sealed in cool and dry place to avoid moisture and light |
| Shelf life | 2 years when properly stored |
| Lead time | 1~3 days after confirmation |
| Test Items | Test Standard |
| Appearance | white or off- white powder |
| Identification | Positive |
| Solubility | Soluble in dimethyl sulfoxide and pyridine; slightly soluble in ethanol and water. |
| Melting point | 257°C to 270°C |
| Loss on Drying | ≤ 0.5% |
| Residue on ignition | ≤ 0.1% |
| Heavy metals | ≤20 ppm |
| Residual solvent | ≤0.5% |
| Related impurities | ≤ 1.0% |
| Specific rotation | +137° to +139°C |
| Single Impurity | ≤0.5% |
| HPLC purity | ≥99.0% |
