CAS number： 20559-55-1
Molecular formula： C12H15N3O3
molecular weight： 249.2658
Chemical structure：
| Product Name | Oxybendazole | |
| Shelf Life | 5 years | |
| Item | Specification | Result |
| Description | ||
| Appearance | White or almost white powders, odorless, tasteless | almost white powders, odorless, tasteless |
| Solubility | Very slight soluble in methanol and chloroform, practically insoluble in water, soluble in acetic acid | Complies |
| Melting point | 224 to 229℃ | 226.0 to 227.0℃ |
| Identification | ||
| Identification 1 | Complies | Complies |
| Identification 2 | Complies | Complies |
| Identification 3 (IR) | Complies with reference spectrum | Complies |
| Related compounds | ≤1.0% | ＜1.0% |
| Loss on drying | ≤0.5% | 0.2% |
| Sulphated ash | ≤0.5% | 0.2% |
| Heavy metal | ≤0.0020% | Complies |
| Assay | ≥98.0% (calculated on the dry basis) | 98.8% |
| Conclusion | The items tested meet the requirement of Veterinary Medicine National Standard (Volume First) | |
