Leflunomide(USP31) (BP2008)

Molecular Formula

C12H9F3N2O2

CAS:75706-12-6

Structural Formula

Quality Index

Appearance

white or off-white crystalline powder

Melting Point

164-168°C

Relative Substances

A ≤0.01% total impurite ≤0.4%

Loss on Drying

≤3.0%

Heavy Metal

≤10ppm

Residue on Ignition

≤0.1%

Content

98.0%~102.0%

conclusion

(USP31) (BP2008)