CAS number： 1401-69-0
Molecular formula： C46H77NO17
molecular weight： 916.1001
Chemical structure：
| Product name: | Tylosin base powder | |
| Shelf life | Three years | |
| Inspection Standard: | EP VI | |
| Tests | Standards | Results |
| Description | Almost white or slight yellowish powder | Almost white powder |
| Identification | Conform | Conform |
| Solubility: | Slightly soluble in water, freely soluble in anhydrous ethanol and in methylene chloride. It dissolves in dilute solution of mineral acides. | Conform |
| PH | 8.5～10.5 | 9.3 |
| Tyramine | ≤0.35% | ＜0.35% |
| Loss on drying | ≤5.0% | 0.9% |
| Residue on ignition | ≤3.0% | 0.1% |
| Content of tylosin A | ≥80.0% | 94% |
| Contents of tylosin A+B+C+D | ≥95.0% | 98% |
| Potency(as wet substance) | ||
| Potency(as dried substance) | ≥900IU/mg ( C46H77NO17) | 1003 IU/mg |
| Conclusion : The above results comply with EP VI | ||
