CAS number： 55297-96-6
Molecular formula： C32H51NO8S
molecular weight： 609.8142
Chemical structure：
| Product name: | Tiamulin Fumarate | ||
| Expiry Date: | FIve years | ||
| Inspection Standard: | EP | ||
| Tests | Standards | Results | Item conclusion |
| Description | White or light yellow crystalline powder. | White crystalline powder | Complies |
| Solubility | Freely soluble in anhydrous alcohol, soluble in methanol and water | Complies | Complies |
| Identification | IR: The spectrum corresponds to that of Tiamulin hydrogen fumarate CRS | Complies | Complies |
| pH | 3.1～4.1 | 3.68 | Complies |
| Loss on drying | ≤0.5% | 0.13% | Complies |
| Limit of residual solvents | 4-methyl-pentanone≤5000ppm | 540ppm | Complies |
| Assay , HPLC, on dried basis | 96.5～102.0% | 98.15% | Complies |
| Total impurities | ≤3.0% | 1.4% | Complies |
| Conclusion : complies with the specification of EP | |||
