43210-67-9 Fenbendazole fenbendazole
Chemical Name: Fenbendazole
CAS No.:43210-67-9
Molecular Formula:C15H13N3O2S
Molecular weight:299.35
Appearance:Almost white powder
Item | Standard | Results |
Appearance | White or almost white powder | Almost white powder |
Assay(GC) | 98-101% | 98.5% |
Solubility | Insoluble in water, soluble in dimethyl formamide, slightly soluble in methanol | Complies |
Total impurities | 1.0%max | 0.3% |
Impurity A | 0.5%max | ≤0.05% |
Impurity B | 0.5%max | ≤0.05% |
Any other impurity | 0.5%max | 0.28%(RRT=0.43) |
Loss on drying | 1%max | 0.2% |
Heavy metals | 20ppm max | 15ppm |
Sulphated ash | 0.3%max | 0.06% |
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