Name:Gastrodin
CAS:62499-27-8
MF:C13H18O7
The detailed specifications are as below:
| Itemoftesting | specification | Result |
| Characters | whiteFinepowder,odourless,tasteless | Conform |
| meltingpoint | 153~156℃ | 154.0~155.5℃ |
| specificrotation | -68°~-72° | -70° |
| pHvalue | 5.0-7.5 | 5.9 |
| lossondrying | ≦4.0% | 2.5% |
| ignitedresidue | ≦0.2% | 0.1% |
| Heavymetals(ppm) | ≦10ppm | <10ppm |
| content | 98.0~102.0% | 101.4% |
| Conclusion | Conforms | |