| Testing Index | Specifications | Conclusion |
| Appearance | White granular powder | Comply |
| Calcium content | 8.2%~8.6% | 8.3% |
| Nitrogen content | 5.7%~6.0% | 5.8% |
| Specific rotation | +25.0°~+28.5° | +27.6° |
| Heavy metals | ≤20ppm | <20ppm |
| Methanol | ≤0.30% | <0.30% |
| Assay(on dry basis) | 98.0%~ 101.0% | 99.1% |
| Conclusion: The Product Conforms to USP. |
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