| Description | white powder | Complies |
| Identification | IR | Complies |
| HPLC | Complies | |
| Heavy metal | ≤10ppm | 5ppm |
| Pb | ≤3ppm | 1.5ppm |
| Hg | ≤0.1ppm | 0.05ppm |
| Cd | ≤1ppm | 0.2ppm |
| Loss on drying | ≤0.5% | 0.12 |
| Residue on lgnition | ≤0.1% | 0.03 |
| Single impurity | ≤0.5% | 0.12 |
| Total impurity | ≤1.0% | 0.29 |
| Total bacteria | ≤1000cfu/g | <1000 |
| Yeast and Mould | ≤100 cfu/g | <000 |
| E.coli/25g | Absent | Absent |
| Salmonella/25g | Absent | Absent |
| Assay | ≥99.0% | 99.4% |
| Conclusion | Conforms with USP/EP standards | |