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Pharmaceutical Reference Standards / Impurity Standards

Leflunomide

Leflunomide

CAT. No.L500000
CAS. No.75706-12-6
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Instock

Leflunomide Impurity

Leflunomide Impurity

CAT. No.L500001
CAS. No.51135-73-0
Mol. F.C7H9NO3
Mol. W.155.15 g/mol
Stock Status:Instock

Leflunomide Related Compound B

Leflunomide Related Compound B

CAT. No.L500002
CAS. No.108605-62-5
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Instock

Leflunomide EP Impurity C

Leflunomide EP Impurity C

CAT. No.L500003
CAS. No. 61643-23-0
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Instock

Leflunomide EP Impurity A

Leflunomide EP Impurity A

CAT. No.L500004
CAS. No.455-14-1
Mol. F.C7H6F3N
Mol. W.161.12 g/mol
Stock Status:Instock

Leflunomide EP Impurity E

Leflunomide EP Impurity E

CAT. No.L500005
CAS. No.208401-20-1
Mol. F.C12H9F3N2O2
Mol. W.270.20 g/mol
Stock Status:Instock

Leflunomide EP Impurity H

Leflunomide EP Impurity H

CAT. No.L500006
CAS. No.24522-30-3
Mol. F.C10H7F3N2O
Mol. W.228.17 g/mol
Stock Status:Instock

Leflunomide EP Impurity B

Leflunomide EP Impurity B

CAT. No.L500007
CAS. No.163451-81-8
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Instock

Ethyl 3-methylisoxazole-4-carboxylate

Ethyl 3-methylisoxazole-4-carboxylate

CAT. No.L500008
CAS. No.20328-15-8
Mol. F.C7H9NO3
Mol. W.155.15 g/mol
Stock Status:Custom Synthesis

Leflunomide EP Impurity D

Leflunomide EP Impurity D

CAT. No.L500010
CAS. No.42831-50-5
Mol. F.C5H5NO3
Mol. W.127.10 g/mol
Stock Status:Instock

Leflunomide EP Impurity F

Leflunomide EP Impurity F

CAT. No.L500011
CAS. No.1403564-06-6
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Custom Synthesis

Leflunomide EP Impurity G

Leflunomide EP Impurity G

CAT. No.L500012
CAS. No.724429-16-7
Mol. F.C12H12N2O2
Mol. W.216.24 g/mol
Stock Status:Custom Synthesis

Teriflunomide Impurity 2

Teriflunomide Impurity 2

CAT. No.L500013
CAS. No.69066-42-8
Mol. F.C9H6F3NO3
Mol. W.233.14 g/mol
Stock Status:Custom Synthesis

3-Methylisoxazole-4-carboxylic Acid

3-Methylisoxazole-4-carboxylic Acid

CAT. No.L500014
CAS. No.17153-20-7
Mol. F.C5H5NO3
Mol. W.127.10 g/mol
Stock Status:Instock

3-Methylisoxazole-4-carboxylic Acid

3-Methylisoxazole-4-carboxylic Acid

CAT. No.L500015
CAS. No.195371-90-5
Mol. F.C15H9F6NO
Mol. W.333.23 g/mol
Stock Status:Instock

Teriflunomide Impurity 3

Teriflunomide Impurity 3

CAT. No.L500016
CAS. No.1011244-72-6
Mol. F.C14H11F3N2O
Mol. W.280.25 g/mol
Stock Status:Instock

Teriflunomide Impurity 16

Teriflunomide Impurity 16

CAT. No.L500017
CAS. No.349-97-3
Mol. F.C9H8F3NO
Mol. W.203.16 g/mol
Stock Status:Instock

Teriflunomide Impurity 7

Teriflunomide Impurity 7

CAT. No.L500018
CAS. No.106-49-0
Mol. F.C7H9N
Mol. W.107.15 g/mol
Stock Status:Custom Synthesis

2-Chlorobenzotrifluoride

2-Chlorobenzotrifluoride

CAT. No.L500019
CAS. No.88-16-4
Mol. F.C7H4ClF3
Mol. W.180.55 g/mol
Stock Status:Custom Synthesis

2-Aminobenzotrifluoride

2-Aminobenzotrifluoride

CAT. No.L500020
CAS. No.88-17-5
Mol. F.C7H6F3N
Mol. W.161.12 g/mol
Stock Status:Custom Synthesis

2-cyano-2hydroxy-N-(4-(trifluromethyl)phenyl)acetamide

2-cyano-2hydroxy-N-(4-(trifluromethyl)phenyl)acetamide

CAT. No.L500022
CAS. No.NA
Mol. F.C10H7F3N2O2
Mol. W.244.17 g/mol
Stock Status:Custom Synthesis

Teriflunomide Impurity 8

Teriflunomide Impurity 8

CAT. No.L500023
CAS. No.61865-29-0
Mol. F.C7H8FN
Mol. W.125.14 g/mol
Stock Status:Custom Synthesis

4-Nitrobenzylfluoride

4-Nitrobenzylfluoride

CAT. No.L500025
CAS. No.500-11-8
Mol. F.C7H6FNO2
Mol. W.155.12 g/mol
Stock Status:Custom Synthesis

Leflunomide EP Impurity F

Leflunomide EP Impurity F

CAT. No.L500027
CAS. No.1403564-06-6
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Instock

2-Hydroxy-N-(4-trifluoromethyl)phenyl)propanamide

2-Hydroxy-N-(4-trifluoromethyl)phenyl)propanamide

CAT. No.L500028
CAS. No.NA
Mol. F.C10H10F3NO2
Mol. W.233.19 g/mol
Stock Status:Custom Synthesis

3-hydroxy-N-(4-(trifluoromethyl)phenyl)propanamide

3-hydroxy-N-(4-(trifluoromethyl)phenyl)propanamide

CAT. No.L500029
CAS. No.NA
Mol. F.C10H10F3NO2
Mol. W.233.19 g/mol
Stock Status:Custom Synthesis

Teriflunomide Impurity 17

Teriflunomide Impurity 17

CAT. No.L500031
CAS. No.NA
Mol. F.C12H12N2O2
Mol. W.216.24 g/mol
Stock Status:Instock

3-Trifluoro Isomer

3-Trifluoro Isomer

CAT. No.L500032
CAS. No.62004-05-1
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Instock

2-Cyano-3-hydroxy-but-2-enoic acid (3-trifluoromethylphenyl)amide

2-Cyano-3-hydroxy-but-2-enoic acid (3-trifluoromethylphenyl)amide

CAT. No.L500033
CAS. No.NA
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Custom Synthesis

Teriflunomide-Ortho-isomer

Teriflunomide-Ortho-isomer

CAT. No.L500034
CAS. No.220512-86-7
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Custom Synthesis

Teriflunamide Impurity 20

Teriflunamide Impurity 20

CAT. No.L500035
CAS. No.NA
Mol. F.C12H10F2N2O2
Mol. W.252.20 g/mol
Stock Status:Custom Synthesis

Teriflunamide Impurity 21

Teriflunamide Impurity 21

CAT. No.L500036
CAS. No.NA
Mol. F.C12H11FN2O2
Mol. W.234.20 g/mol
Stock Status:Custom Synthesis

(E)-Teriflunomide

(E)-Teriflunomide

CAT. No.L500037
CAS. No.214782-56-6
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Custom Synthesis

Teriflunomide Impurity F

Teriflunomide Impurity F

CAT. No.L500038
CAS. No.2707-23-5
Mol. F.C9H7ClF3NO
Mol. W.237.61 g/mol
Stock Status:Custom Synthesis

Teriflunomide impurity G

Teriflunomide impurity G

CAT. No.L500039
CAS. No.NA
Mol. F.C9H6Cl2F3NO
Mol. W.272.05 g/mol
Stock Status:Custom Synthesis

4-amino-N,N'-bis(4-(trifluoromethyl)phenyl)benzimidamide(E/Z mixture)

4-amino-N,N'-bis(4-(trifluoromethyl)phenyl)benzimidamide(E/Z mixture)

CAT. No.L500040
CAS. No.NA
Mol. F.C21H15F6N3
Mol. W.423.35 g/mol
Stock Status:Custom Synthesis

(E)-2-cyano-3-hydroxy-N-(2-(trifluoromethyl)phenyl)but-2-enamide

(E)-2-cyano-3-hydroxy-N-(2-(trifluoromethyl)phenyl)but-2-enamide

CAT. No.L500041
CAS. No.220512-86-7
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Custom Synthesis

2 cyano-3-hydroxy-N-[3-(trifluoromethyl)phenyl]but-2-enamide.

2 cyano-3-hydroxy-N-[3-(trifluoromethyl)phenyl]but-2-enamide.

CAT. No.L500042
CAS. No.NA
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Custom Synthesis

Nitroso-Teriflunomide

Nitroso-Teriflunomide

CAT. No.L500043
CAS. No.NA
Mol. F.C12H8F3N3O3
Mol. W.299.21 g/mol
Stock Status:Custom Synthesis

Teriflunomide Impurity 28

Teriflunomide Impurity 28

CAT. No.L500044
CAS. No.NA
Mol. F.C13H8F6N2O2
Mol. W.338.21 g/mol
Stock Status:Custom Synthesis

Leflunomide Metabolite Ethyl Analog

Leflunomide Metabolite Ethyl Analog

CAT. No.L500045
CAS. No.2734292-21-6
Mol. F.C13H11F3N2O2
Mol. W.284.24 g/mol
Stock Status:Custom Synthesis

Leflunomide EP Impurity A Hydrochloride

Leflunomide EP Impurity A Hydrochloride

CAT. No.L500046
CAS. No.90774-69-9
Mol. F.C7H7ClF3N
Mol. W.197.59 g/mol
Stock Status:Instock

Teriflunomide Meta Impurity

Teriflunomide Meta Impurity

CAT. No.L500047
CAS. No.63927-52-6
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Instock

Malonamic Acid

Malonamic Acid

CAT. No.L500048
CAS. No.2345-56-4
Mol. F.C3H5NO3
Mol. W.103.08 g/mol
Stock Status:Custom Synthesis

Teriflunomide Ortho Impurity

Teriflunomide Ortho Impurity

CAT. No.L500049
CAS. No.NA
Mol. F.C12H9F3N2O2
Mol. W.270.20 g/mol
Stock Status:Custom Synthesis

Teriflunomide Lactose Adduct 1

Teriflunomide Lactose Adduct 1

CAT. No.L500050
CAS. No.NA
Mol. F.C24H29F3N2O12
Mol. W.594.50 g/mol
Stock Status:Custom Synthesis

Teriflunomide Lactose Adduct 2

Teriflunomide Lactose Adduct 2

CAT. No.L500051
CAS. No.NA
Mol. F.C24H29F3N2O12
Mol. W.594.50 g/mol
Stock Status:Custom Synthesis

Leflunomide Form 1

Leflunomide Form 1

CAT. No.L500052
CAS. No.75706-12-6
Mol. F.C12H9F3N2O2
Mol. W.270.21 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Teriflunomide-d4

Teriflunomide-d4

CAT. No.L500009
CAS. No.1185240-22-5
Mol. F.C12H5F3N2O2D4
Mol. W.274.24 g/mol
Stock Status:Instock

Leflunomide-D4

Leflunomide-D4

CAT. No.L500026
CAS. No.1189987-23-2
Mol. F.C12H5D4F3N2O2
Mol. W.274.23 g/mol
Stock Status:Instock