Tofacitinib Citrate |
Time：2023-11-06 14:57 Author：-1 |
Product Name: Tofacitinib citrate
CAS No.: 540737-29-9
Molecular Formula: C16H20N6O.C6H8O7
Relative molecular weight: 504.497
Application: For rheumatoid arthritis
Specification
| Item | Specification |
| Appearance | White or almost white solid |
| Assay | 98.0-102.0% |
| Heavy metals | 20ppm Min. |
| Loss on drying | 1.0%Min. |
| Enantiomer | 0.2%Min. |
| Related substances | unknown single impurity: ≤ 0.2% |
| Total impurity≤ 1.0% | |
| Residual solvents | |
| Methanol | 3000ppm Min. |
| Toluene | 890ppm Min. |
| Ethanol | 5000ppm Min. |
