Leflunomide

CAS NO.: 75706-12-6
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Molecular Formular:C₁₂H₉F₃N₂O₂
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Structural formula:

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Chemical Name:5-methyl-N-[4-(trifluoromethyl)phenyl]-4-isoxazole carboxamide
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Appearance:White crystalline powder
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Used for:Anti-rheumatoid arthritis
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Specification

Name	Index
Melting Point	164-167
Related Substance	1.0%
Loss on drying	1.0%
Residue on ignition	0.1%
Heavy metals	20ppm
Fluorine	19.0%
Assay	98.0%(Comparing)

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