CAS number： 43210-67-9
Molecular formula： C15H13N3O2S
molecular weight： 299.3476
Chemical structure：
| Product Name | Fenbendazole | |
| Shelf life | 4 years | |
| Test | Specification | Test result |
| Appearance | A white or almost white powder | Almost white powder |
| Identification | Ir spectrum if sample complies with RS | comforms |
| release substances | Impurity A ≤0.5% Impurity≤ 0.5% | 0.01% 0.04% |
| loss on drying | ≤0.5% | 0.14% |
| Heavy metals | <20ppm< td=""> | complies |
| Sulphated ash | ≤0.3% | 0.08% |
| Residual solvents | Methanol: ≤ 3000ppm Toluene≤890ppm Xylene ≤2170ppm Acetic acid ≤5000ppm Ethanol ≤5000ppm | 1715ppm 721ppm 4ppm 1400ppm 1400ppm |
| Assay | on dries substancce | 99.6% |
| conclusion :The product complies with the standard | ||
