SPECIFICATION
| Appearance | White to off-white crystalline powder. |
| Heavy metals | ≤ 20ppm |
| Water | ≤0.3% |
| Sulfated ash | ≤0.1% |
| Related substances: | |
| 5-methoxytryptamine | ≤ 0.5% |
| Any other impurity | ≤ 0.1% |
| Total of other impurities | ≤ 1.0% |
| Assay | 98.0%-102.0% |
MOLECULAR STRUCTURE：
Molecular Formula: C13H16N2O2
