Leflunomide

Leflunomide Leflunomide :

5-Methylisoxazole-4-(4-trifluoromethyl)carboxanilide ; CAS : 75706-12-6 ; C12H9F3N2O2 ; MW: 270.21 ;

Leflunomide EP Impurity A Leflunomide Impurity A :

 

4-(Trifluoromethyl)aniline ; CAS : 455-14-1 ; C7H6F3N ; MW: 161.12 ;

Leflunomide EP Impurity B Leflunomide  Impurity B :

 

N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide ; CAS : 163451-81-8 ; 108605-62-5 ; C12H9F3N2O2 ; MW: 270.21 ;

Leflunomide EP Impurity C Leflunomide Impurity C:

 

5-Methyl-N-[3-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide ; CAS : 61643-23-0 ; C12H9F3N2O2 ; MW: 270.21 ;

Leflunomide EP Impurity D Leflunomide Impurity D:

 

5-Methyl-4-isoxazolecarboxylic Acid ; CAS : 42831-50-5 ; C5H5NO3 ; MW: 127.10 ;

Leflunomide EP Impurity E Leflunomide Impurity E :

 

3-Methyl-N-[4-(trifluoromethyl)phenyl]isoxazole-4-carboxamide ; CAS : 208401-20-1 ; C12H9F3N2O2 ; MW: 270.21 ;

Leflunomide EP Impurity F Leflunomide Impurity F:

 

5-Methyl-N-[2-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide ;  CAS : 1403564-06-6 ; C12H9F3N2O2 ; MW: 270.21 ;

Leflunomide EP Impurity G Leflunomide Impurity G:

 

5-Methyl-N-(4-methylphenyl)isoxazole-4-carboxamide ; CAS  : 724429-16-7 ; C12H12N2O2 ; MW: 216.24 ;

Leflunomide EP Impurity H Leflunomide Impurity H:

 

2-Cyano-N-[4-(trifluoromethyl)phenyl]- acetamide ; CAS : 24522-30-3 ; C10H7F3N2O ; MW: 228.17 ;