Pharmaceutical Reference Standards / Impurity Standards

Leflunomide
Leflunomide Impurity
Leflunomide Related Compound B
Leflunomide EP Impurity C
Leflunomide EP Impurity A
Leflunomide EP Impurity E
Leflunomide EP Impurity H
Leflunomide EP Impurity B
Ethyl 3-methylisoxazole-4-carboxylate
Leflunomide EP Impurity D
Leflunomide EP Impurity F
Leflunomide EP Impurity G
Teriflunomide Impurity 2
3-Methylisoxazole-4-carboxylic Acid
3-Methylisoxazole-4-carboxylic Acid
Teriflunomide Impurity 3
4-(Trifluoromethyl)acetanilide
Teriflunomide Impurity 7
2-Chlorobenzotrifluoride
2-Aminobenzotrifluoride
2-cyano-2hydroxy-N-(4-(trifluromethyl)phenyl)acetamide
Teriflunomide Impurity 8
4-Nitrobenzylfluoride
Leflunomide EP Impurity F
2-Hydroxy-N-(4-trifluoromethyl)phenyl)propanamide
3-hydroxy-N-(4-(trifluoromethyl)phenyl)propanamide
Teriflunomide Impurity 17
3-Trifluoro Isomer
2-Cyano-3-hydroxy-but-2-enoic acid (3-trifluoromethylphenyl)amide
Teriflunomide-Ortho-isomer
Teriflunamide Impurity 20
Teriflunamide Impurity 21
(E)-Teriflunomide
Teriflunomide Impurity F
Teriflunomide impurity G
4-amino-N,N'-bis(4-(trifluoromethyl)phenyl)benzimidamide(E/Z mixture)
(E)-2-cyano-3-hydroxy-N-(2-(trifluoromethyl)phenyl)but-2-enamide
2 cyano-3-hydroxy-N-[3-(trifluoromethyl)phenyl]but-2-enamide.
Nitroso-Teriflunomide
(Z)-2-cyano-3-hydroxy-N-(3,5-bis(trifluoromethyl)phenyl)but-2-enamide
Leflunomide Metabolite Ethyl Analog
Leflunomide EP Impurity A Hydrochloride
Teriflunomide Meta Impurity
Malonamic Acid
Teriflunomide Ortho Impurity
Teriflunomide Lactose Adduct 1
Teriflunomide Lactose Adduct 2

Isotope Labelled Compounds

Teriflunomide-d4
Leflunomide-D4