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% |