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208401-20-1

208401-20-1 Structure

208401-20-1 Structure
IdentificationBack Directory
[Name]

5-DesMethyl-3-Methyl LeflunoMide
[CAS]

208401-20-1
[Synonyms]

Teriflunomide Impurity
3-methyl-N-(4-(trifluoromethyl)
Teriflunomide Isoxazole Impurity
5-DesMethyl-3-Methyl LeflunoMide
3-Methyl-N-[4-(trifluoromethyl)phen
Leflunomide Impurity 5(Leflunomide EP Impurity E)
Leflunomide EP Impurity E (TeriflunomideImpurity 1)
Leflunomide Impurit Ⅲ:5-DesMethyl-3-Methyl LeflunoMide
Leflunomide Impurit Ⅲ:5-DesMethyl-3-Methyl LeflunoMide
Leflunomide EP Impurity E (5-Desmethyl-3-methyl Leflunomide)
N-[4-(TrifluoroMethyl)phenyl]-3-Methylisoxazole-4-carboxaMide
4-Isoxazolecarboxamide, 3-methyl-N-[4-(trifluoromethyl)phenyl]-
3-Methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide
Teriflunomide Impurity 1 (Leflunomide EP Impurity E/ 5-Desmethyl-3-methyl Leflunomide)
[Molecular Formula]

C12H9F3N2O2
[MOL File]

208401-20-1.mol
[Molecular Weight]

270.21
Chemical PropertiesBack Directory
[Melting point ]

140-145°C
[Boiling point ]

287.2±40.0 °C(Predicted)
[density ]

1.392±0.06 g/cm3(Predicted)
[storage temp. ]

-20°C Freezer, Under inert atmosphere
[solubility ]

Chloroform (Slightly), Ethyl Acetate (Slightly)
[form ]

Solid
[pka]

11.45±0.70(Predicted)
[color ]

Light Beige to Light Brown
Hazard InformationBack Directory
[Uses]

5-Desmethyl-3-methyl Leflunomide (Leflunomide EP Impurity E) is the 3-methyl-isomer of Leflunomide (L322750), as a poisonous impurity.
[Uses]

The 3-methyl-isomer of Leflunomide (L322750), as a poisonous impurity.
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