Leflunomide Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Leflunomide, pharmacopeial and non-pharmacopeial Leflunomide impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Leflunomide impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Leflunomide-related products are thoroughly characterized. Leflunomide products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

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3-Trifluoro Isomer

• SZ CAT No: SZ-L032015

• CAS No:

  63927-52-6

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: In Stock

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Leflunomide

• SZ CAT No: SZ-L032001

• CAS No:

  75706-12-6

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: In Stock

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Leflunomide EP Impurity A

• SZ CAT No: SZ-L032002

• CAS No:

  455-14-1

• Mol.F.: C7H6F3N
• Mol.Wt.: 161.1
• Inv. Status: In Stock

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Leflunomide EP Impurity B

• SZ CAT No: SZ-L032003

• CAS No:

  163451-81-8

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: In Stock

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Leflunomide EP Impurity C

• SZ CAT No: SZ-L032004

• CAS No:

  61643-23-0

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: In Stock

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Leflunomide EP Impurity D

• SZ CAT No: SZ-L032005

• CAS No:

  42831-50-5 

• Mol.F.: C5H5NO3
• Mol.Wt.: 127.1
• Inv. Status: In Stock

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Leflunomide EP Impurity E

• SZ CAT No: SZ-L032006

• CAS No:

  208401-20-1

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: In Stock

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Leflunomide EP Impurity F

• SZ CAT No: SZ-L032007

• CAS No:

  1403564-06-6

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: In Stock

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Leflunomide EP Impurity G

• SZ CAT No: SZ-L032008

• CAS No:

  724429-16-7

• Mol.F.: C12H12N2O2
• Mol.Wt.: 216.2
• Inv. Status: In Stock

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Leflunomide EP Impurity H

• SZ CAT No: SZ-L032009

• CAS No:

  24522-30-3

• Mol.F.: C10H7F3N2O
• Mol.Wt.: 228.2
• Inv. Status: In Stock

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Leflunomide Impurity 1

• SZ CAT No: SZ-L032014

• CAS No:

  419534-37-5

• Mol.F.: C10H7F3N2O
• Mol.Wt.: 228.2
• Inv. Status: In Stock

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Leflunomide Impurity 2

• SZ CAT No: SZ-L032016

• CAS No:

  17153-20-7

• Mol.F.: C5H5NO3
• Mol.Wt.: 127.1
• Inv. Status: Limited Stock

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3-Methylisoxazole-4-Carboxylic Acid Ethyl Ester

• SZ CAT No: SZ-L032011

• CAS No:

  20328-15-8

• Mol.F.: C7H9NO3
• Mol.Wt.: 155.2
• Inv. Status: Synthesis on demand

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Leflunomide Impurity 3

• SZ CAT No: SZ-L032017

• CAS No:

  2772495-33-5

• Mol.F.: C19H14F3N3O3
• Mol.Wt.: 389.3
• Inv. Status: Synthesis on demand

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Leflunomide Impurity 4

• SZ CAT No: SZ-L032018

• CAS No:

  1903709-86-3

• Mol.F.: C8H7ClF3N
• Mol.Wt.: 209.6
• Inv. Status: Synthesis on demand

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Leflunomide Impurity 4

• SZ CAT No: SZ-L032013

• CAS No:

  19788-35-3

• Mol.F.: C6H7NO3 
• Mol.Wt.: 141.1
• Inv. Status: Synthesis on demand

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Leflunomide Impurity 5

• SZ CAT No: SZ-L032019

• CAS No:

  523987-35-1

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: Synthesis on demand

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Leflunomide Metabolite Ethyl Analog

• SZ CAT No: SZ-L032012

• CAS No:

  2734292-21-6

• Mol.F.: C13H11F3N2O2
• Mol.Wt.: 284.2
• Inv. Status: Synthesis on demand

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Teriflunomide-E Isomer

• SZ CAT No: SZ-L032010

• CAS No:

  108605-62-5

• Mol.F.: C12H9F3N2O2
• Mol.Wt.: 270.2
• Inv. Status: Synthesis on demand

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5-Methylisoxazole-3-Carboxylic-d4 Acid

• SZ CAT No: SZ-L032D03

• CAS No:

  1267623-84-6

• Mol.F.: C5HD4NO3
• Mol.Wt.: 131.1
• Inv. Status: Synthesis on demand

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Leflunomide D4

• SZ CAT No: SZ-L032D01

• CAS No:

  1189987-23-2

• Mol.F.: C12H5D4F3N2O2
• Mol.Wt.: 274.3
• Inv. Status: Synthesis on demand