CAS number： 69004-03-1
Molecular formula： C18H14F3N3O4S
molecular weight： 425.3817
Chemical structure：
| Product name: | Toltrazuril | |
| Expiry Date: | Three years | |
| Inspection Standard: | Enterprise Standard | |
| Items | Specifications | Results |
| Appearance | White or off white crystalline powder | White crystalline powder |
| Identification | IR spectrum of sample corresponds to that of reference standard | Conform |
| The retention time of the main peak corresponds to that of reference standard | Conform | |
| Clarity | The solution is clear | Conform |
| Degree of coloration | The solution is not more intensely than reference solution B7 | Conform |
| Melting point | 192～196℃ | 194.0～195.0℃ |
| Single max impurity | Not more than 0.20% | 0.07% |
| Total impurities | Not more than 1.00% | 0.2% |
| Loss on drying | Not more than 0.50% | 0.1% |
| Sulphated ash | Not more than 0.10% | 0.05% |
| Heavy metals | Not more than 10ppm | Conform |
| Assay ( HPLC ) | Not less than 98.0% | 99.8% |
| Conclusion : Complies specification. | ||
