| Appearance | white crystalline powder |
| Purity (HPLC) | ≥99.0% |
| Single Impurity | ≤0.5% |
| Total Impurities | ≤1.0% |
| Heavy metal(Pb) | ≤10ppm |
| Assay | ≥98.5% |
| Loss on drying | ≤0.50% |
| pH | 2.0～3.0 |
| Appearance | white crystalline powder |
| Purity (HPLC) | ≥99.0% |
| Single Impurity | ≤0.5% |
| Total Impurities | ≤1.0% |
| Heavy metal(Pb) | ≤10ppm |
| Assay | ≥98.5% |
| Loss on drying | ≤0.50% |
| pH | 2.0～3.0 |