Impurity Reference Standard - Products

(E)-Teriflunomide

CAT No: CL-TFM-01 CAS No: 214782-56-6 Mol Wt: 270.2 Mol F: C12H9F3N2O2 Inv Status: Custom Synthesis

Chemical Name: (E)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide

Teriflunomide Impurity 1

CAT No: CL-TFM-02 CAS No: 208401-20-1 Mol Wt: 270.2 Mol F: C12H9F3N2O2 Inv Status: Custom Synthesis

Chemical Name: 3-Methyl-N-(4-(trifluoromethyl)phenyl)isoxazole-4-carboxamide

Teriflunomide Impurity 2

CAT No: CL-TFM-03 CAS No: 69066-42-8 Mol Wt: 233.2 Mol F: C9H6F3NO3 Inv Status: Custom Synthesis

Chemical Name: 2-Oxo-2-((4-(trifluoromethyl)phenyl)amino)acetic acid

Teriflunomide Impurity 3

CAT No: CL-TFM-04 CAS No: 1011244-72-6 Mol Wt: 280.3 Mol F: C14H11F3N2O Inv Status: Custom Synthesis

Chemical Name: 4-Amino-N-(4-(trifluoromethyl)phenyl)benzamide

Teriflunomide Impurity 4

CAT No: CL-TFM-05 CAS No: 2366-92-9 Mol Wt: 190.2 Mol F: C9H9F3O2 Inv Status: Custom Synthesis

Chemical Name: 1-Ethoxy-4-(trifluoromethyl)benzene

Teriflunomide Impurity 5

CAT No: CL-TFM-06 CAS No: 1980063-54-4 Mol Wt: 143.1 : 36.5 Mol F: C7H7F2N : HCl Inv Status: Custom Synthesis

Chemical Name: 4-(Difluoromethyl)aniline Hydrochloride

Teriflunomide Impurity 6

CAT No: CL-TFM-07 CAS No: 724429-16-7 Mol Wt: 216.2 Mol F: C12H12N2O2 Inv Status: Custom Synthesis

Chemical Name: 5-Methyl-N-(p-tolyl)isoxazole-4-carboxamide

Teriflunomide Impurity 7

CAT No: CL-TFM-08 CAS No: 106-49-0 Mol Wt: 107.2 Mol F: C7H9N Inv Status: Custom Synthesis

Chemical Name: p-toluidine

Teriflunomide Impurity 8

CAT No: CL-TFM-09 CAS No: 61865-29-0 Mol Wt: 125.2 Mol F: C7H8FN Inv Status: Custom Synthesis

Chemical Name: 4-(fluoromethyl)aniline

Teriflunomide Impurity 9

CAT No: CL-TFM-10 CAS No: 3788-94-1 Mol Wt: 186.2 Mol F: C9H14O4 Inv Status: Custom Synthesis

Chemical Name: Ethyl (E)-2-(ethoxymethylene)-3-oxobutanoate

Teriflunomide Impurity 10

CAT No: CL-TFM-11 CAS No: 39885-50-2 Mol Wt: 195.6 Mol F: C7H5ClF3N Inv Status: Custom Synthesis

Chemical Name: 4-Amino-3-chlorobenzotrifluoride

Teriflunomide Impurity A

CAT No: CL-TFM-12 CAS No: 202057-74-7 Mol Wt: 227.6 Mol F: C12H9N3O2S Inv Status: Custom Synthesis

Chemical Name: (Z)-2-cyano-N-(4-cyanophenyl)-3-hydroxybut-2-enamide

Teriflunomide Impurity 12

CAT No: CL-TFM-13 CAS No: 75706-12-6 Mol Wt: 270.2 Mol F: C12H9F3N2O2 Inv Status: Custom Synthesis

Chemical Name: 5-Methyl-N-[4-(trifluoromethyl)phenyl]isoxazole-4-carboxamide

Teriflunomide Meta Impurity

CAT No: CL-TFM-14 CAS No: 63927-52-6 Mol Wt: 270.2 Mol F: C12H9F3N2O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-cyano-3-hydroxy-N-(3-(trifluoromethyl)phenyl)but-2-enamide

Teriflunomide Impurity 14

CAT No: CL-TFM-15 CAS No: 171171-44-1 Mol Wt: 205.1 Mol F: C8H6F3NO2 Inv Status: Custom Synthesis

Chemical Name: 4-(Trifluoromethyl)phenylcarbamic acid

Teriflunomide Impurity 16

CAT No: CL-TFM-16 CAS No: 349-97-3 Mol Wt: 203.2 Mol F: C9H8F3NO3 Inv Status: Custom Synthesis

Chemical Name: N-(4-(trifluoromethyl)phenyl)acetamide

Teriflunomide Impurity 17

CAT No: CL-TFM-17 CAS No: 1385789-70-7 Mol Wt: 216.2 Mol F: C12H12N2O2 Inv Status: Custom Synthesis

Chemical Name: 2-Cyano-3-hydroxy-N-p-tolylbut-2-enamide

Teriflunomide EP Impurity B

CAT No: CL-TFM-18 CAS No: 24522-30-3 Mol Wt: 228.2 Mol F: C10H7F3N2O Inv Status: Custom Synthesis

Chemical Name: 2-cyano-N-(4-(trifluoromethyl)phenyl)acetamide

Teriflunomide Impurity 19

CAT No: CL-TFM-19 CAS No: NA Mol Wt: 423.4 Mol F: C21H15F6N3 Inv Status: Custom Synthesis

Chemical Name: (Z)-4-amino-N,N'-bis(4-(trifluoromethyl)phenyl)benzimidamide

Teriflunomide Impurity 20

CAT No: CL-TFM-20 CAS No: NA Mol Wt: 252.2 Mol F: C12H10F2N2O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-cyano-N-(4-(difluoromethyl)phenyl)-3-hydroxybut-2-enamide

Teriflunomide Impurity 21

CAT No: CL-TFM-21 CAS No: NA Mol Wt: 234.2 Mol F: C12H11FN2O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-cyano-N-(4-(fluoromethyl)phenyl)-3-hydroxybut-2-enamide

Teriflunomide Impurity 22

CAT No: CL-TFM-22 CAS No: 2809442-03-1 Mol Wt: 244.2 Mol F: C10H7F3N2O2 Inv Status: Custom Synthesis

Chemical Name: 2-Cyano-2-hydroxy-N-(4-(trifluoromethyl)phenyl)acetamide

Teriflunomide Impurity 23

CAT No: CL-TFM-23 CAS No: 113604-10-7 Mol Wt: 256.2 Mol F: C11H7F3N2O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)acrylamide

Teriflunomide Ortho Isomer

CAT No: CL-TFM-24 CAS No: 220512-86-7 Mol Wt: 270.2 Mol F: C12H9F3N2O2 Inv Status: Custom Synthesis

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

Teriflunomide Impurity 27

CAT No: CL-TFM-25 CAS No: 2375015-62-4 Mol Wt: 491.4 Mol F: C22H14F9N3 Inv Status: Custom Synthesis

Chemical Name: 1,2,3-Tris(4-(trifluoromethyl)phenyl)guanidine

Teriflunomide Impurity 28

CAT No: CL-TFM-26 CAS No: NA Mol Wt: 338.2 Mol F: C13H8F6N2O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-N-(3,5-Bis(trifluoromethyl)phenyl)-2-cyano-3-hydroxybut-2-enamide

Teriflunomide Impurity 29

CAT No: CL-TFM-27 CAS No: 67305-24-2 Mol Wt: 145.5 Mol F: C5H4ClNO2 Inv Status: Custom Synthesis

Chemical Name: 5-Methylisoxazole-4-carbonyl chloride

Teriflunomide Impurity 30

CAT No: CL-TFM-28 CAS No: 195371-90-5 Mol Wt: 333.2 Mol F: C15H9F6NO Inv Status: Custom Synthesis

Chemical Name: 4-(Trifluoromethyl)-N-(4-(trifluoromethyl)phenyl)benzamide

Teriflunomide Impurity 31

CAT No: CL-TFM-29 CAS No: 16045-84-4 Mol Wt: 572.5 Mol F: C29H22F6N4O2 Inv Status: Custom Synthesis

Chemical Name: 1,1'-(Methylenebis(4,1-phenylene))bis(3-(3-(trifluoromethyl)phenyl)urea)

Teriflunomide Impurity 32

CAT No: CL-TFM-30 CAS No: 811841-49-3 Mol Wt: 280.3 Mol F: C14H11F3N2O Inv Status: Custom Synthesis

Chemical Name: 4-Amino-N-(3-(trifluoromethyl)phenyl)benzamide

Teriflunomide Impurity 33

CAT No: CL-TFM-31 CAS No: NA Mol Wt: 206.2 Mol F: C9H9F3O2 Inv Status: Custom Synthesis

Chemical Name: 1-(Methoxymethyl)-4-(trifluoromethoxy)benzene

Teriflunomide Impurity 34

CAT No: CL-TFM-32 CAS No: 159689-88-0 Mol Wt: 255 Mol F: C8H6BrF3O Inv Status: Custom Synthesis

Chemical Name: 1-(Bromomethyl)-3-(trifluoromethoxy)benzene

Teriflunomide Impurity 35

CAT No: CL-TFM-33 CAS No: 1796480-52-8 Mol Wt: 232.2 Mol F: C9H7F3N2O2 Inv Status: Custom Synthesis

Chemical Name: N1-(4-(Trifluoromethyl)phenyl)oxalamide

Teriflunomide Impurity 36

CAT No: CL-TFM-34 CAS No: NA Mol Wt: 235.2 Mol F: C9H8F3NO3 Inv Status: Custom Synthesis

Chemical Name: 2,2-Dihydroxy-N-(4-(trifluoromethyl)phenyl)acetamide

Teriflunomide Impurity 37

CAT No: CL-TFM-37 CAS No: 63927-51-5 Mol Wt: 270.2 Mol F: C12H9F3N2O2 Inv Status: Custom Synthesis

Chemical Name: (E)-2-Cyano-3-hydroxy-N-(3-(trifluoromethyl)phenyl)but-2-enamide

Teriflunomide Lactose Adduct 1

CAT No: CL-TFM-38 CAS No: NA Mol Wt: 594.5 Mol F: C24H29F3N2O12 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-Cyano-N-((2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide

Teriflunomide Lactose Adduct 2

CAT No: CL-TFM-39 CAS No: NA Mol Wt: 594.5 Mol F: C24H29F3N2O12 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)-N-(3,5,6-trihydroxy-2-oxo-4-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexyl)but-2-enamide

Teriflunomide Ortho Impurity

CAT No: CL-TFM-40 CAS No: NA Mol Wt: 270.2 Mol F: C12H9F3N2O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-cyano-3-hydroxy-N-(2-(trifluoromethyl)phenyl)but-2-enamide

Teriflunomide D4

CAT No: CL-TFM-41 CAS No: 1185240-22-5 Mol Wt: 274.2 Mol F: C12H5D4F3N2O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl-2,3,5,6-d4)but-2-enamide

Type:Impurity Reference Standard

API NAME:Teriflunomide

Total Products: 39

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