| Function: | Central Nervous System Agents |
|---|---|
| Grade Standard: | Medicine Grade |
| Items | Specification |
| Appearance | White or almost white crystalline powder |
| Identification | Meets the requirement |
| Melting Point | 164.0 ~ 168.0 |
| Loss on Drying | ≤ 0.3% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 20ppm |
| Related Substances | Meets the requirements |
| Assay | 98.0 ~ 102.0% |
| Standard | USP31 |