| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Light yellow crystalline powder | Conforms |
| Identification | The IR spectrum matches the reference standard spectrum | Conforms |
| Loss on drying | ≤0.50% | 0.20% |
| Sulphated ash | ≤0.10% | 0.03% |
| Heavy metals | ≤0.002% | 0.001% |
| Related substances | ≤1.0% | 0.23% |
| Residual Solvents | Methanol ≤0.3% | Not Detected |
| Alcohol ≤0.5% | 0.05% | |
| Acetic Acid ≤0.5% | Not Detected | |
| NMP ≤0.05% | Not Detected | |
| Assay | 98.5%~101.5% | 99.87% |
| Conclusion: The Product Conforms to EP/BP/USP. |
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