| Testing Items | Specifications | Results |
| Appearance | Colorless to slight yellow transparent liquid | Conforms |
| Specific rotation | -15°~-17° | -16° |
| Loss on drying | ≤0.50% | 0.18% |
| Assay | 98.0%~101.5% | 99.10% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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