CAS number： 53716-50-0
Molecular formula： C15H13N3O3S
molecular weight： 315.347
Chemical structure：
| Name of Product: | Oxfendazole | |
| Shelf Life: | 4 years | |
| Specification: | BPV 98 | |
| Test Items | Specification | Results of Analysis |
| Appearance | A white or almost white powder | Almost white powder |
| Identification | IR Spectrum of sample complies with RS | Conforms |
| Dissolve sample in methanol to obtain 10ug substance per milliliter, Test according to ultraviolet spectrophotometry method, exhibits two maxima in the range 220 to 350nm | Complies | |
| Related substances | Fenbendazole≤1.0% | 0.26% |
| Any other secondary≤2.0% | 0.84% | |
| Loss on drying | ≤0.5% | 0.23% |
| Heavy metals | ＜20ppm | Complies |
| Sulphated Ash | ≤0.2% | 0.08% |
| Residual solvents | Methanol≤3000ppm | 1463ppm |
| Methyl formate≤1000ppm | 181ppm | |
| Formic acid≤5000ppm | 881ppm | |
| Assay | 97.5%-100.5% | 99.7% |
