pharmaceutical products/Leflunomide/CAS NO.:75706-12-6
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1, pharmaceutical intermediates
2,ISO9001;ISO14001;OHSAS18001.
3,Pack;25KG/ DRUMS
4,price: US $ 310.00/KG FOB SHANGHAI
Product Name ; Leflunomide
Chemical Name ; 5-methyl-N-[4-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide
Molecular Formula ; C12H9F3N2O2
Molecular Weight; 270.21
Item | Requirement | Result |
Appearance | White or off-white powder | off-white powder |
Purity | ≥99% | 99.76% |
Melting point | 165—167°C | 166.2°C |
Identification | IR | CONTRAT |
Heavy metal | ≤10PPm | 7PPm |
Loss on drying | ≤1.0% | 0.20% |
Chlorid | ≤0.05% | 0.033% |
Impurity | ≤0.5% | 0.24% |
Ash | ≤0.1% | 0.05% |
Conclusion | Complies with USP32 | |
