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Leflunomide Impurity

Veeprho Laboratories is a manufacturer and supplier of Leflunomide impurities like Leflunomide Impurity A, Leflunomide Impurity B, Leflunomide Impurity C, Leflunomide Impurity D, Leflunomide Impurity E, Leflunomide Impurity F, Leflunomide Impurity H, Leflunomide Cyano Impurity,Leflunomide Metabolite Ethyl Analog, Leflunomide Process Impurity, Leflunomide Degradation Impurity, Leflunomide Related Compound and Leflunomide Potential Impurity. These impurities are provided with certificate of analysis along with the characterization data like NMR MASS IR and HPLC Purity. We also provide additional data like C NMR, CHN, TGA RF on request.


We are also manufacturer and supplier of all Leflunomide USP, EP, BP pharmacopoeia impurities, any unknown impurity, APIs and intermediates with structure elucidation with help of C NMR, H NMR, MASS, CHN, HPLC data. On request we also manufacture and supply all impurity of Leflunomide as per pharmacopoeia RRT.


We also manufacture and supply all Leflunomide impurities which are to be isolated by preparative HPLC and Lyophilized.


All the Leflunomide impurities like Leflunomide Impurity A, Leflunomide Impurity B, Leflunomide Impurity C, Leflunomide Impurity D, Leflunomide Impurity E, Leflunomide Impurity F, Leflunomide Impurity H, Leflunomide Cyano Impurity,Leflunomide Metabolite Ethyl Analog, Leflunomide Process Impurity, Leflunomide Degradation Impurity, Leflunomide Related Compound and Leflunomide Potential Impurity are manufactured and supplied by Veeprho Laboratories are acceptable to all regulatory agencies in the world like US-FDA, MHRA, MCC, WHO, Brazil and Japan.


These Leflunomide impurities are also used for ANDA filling/DMF filling and genotoxic study.


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Leflunomide Impurities :-



Leflunomide Impurity C
Leflunomide Impurity C

5-methyl-N-(3-(trifluoromethyl) phenyl) isoxazole-4-carboxamide

Catalogue No : VL1060001

Leflunomide Impurity A
Leflunomide Impurity A

4-(trifluoromethyl) aniline

Catalogue No : VL1060002

Leflunomide Impurity B
Leflunomide Impurity B

N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide

Catalogue No : VL1060003

Leflunomide Impurity D
Leflunomide Impurity D

5-Methylisoxazole-4-carboxylic acid

Catalogue No : VL1060004

Leflunomide Impurity E
Leflunomide Impurity E

3-methyl-N-(4-(trifluoromethyl) phenyl) isoxazole-4-carboxamide

Catalogue No : VL1060005

Leflunomide Cyano Impurity
Leflunomide Cyano Impurity

2-Cyano-N-[4-(trifluoromethyl)phenyl]- acetamide

Catalogue No : VL1060007

Leflunomide Metabolite Ethyl Analog
Leflunomide Metabolite Ethyl Analog



Catalogue No : VL1060017