Basic information Safety Supplier Related

5-DesMethyl-3-Methyl LeflunoMide

Basic information Safety Supplier Related

5-DesMethyl-3-Methyl LeflunoMide Basic information

Product Name:
5-DesMethyl-3-Methyl LeflunoMide
Synonyms:
  • N-[4-(TrifluoroMethyl)phenyl]-3-Methylisoxazole-4-carboxaMide
  • Leflunomide Impurity 5(Leflunomide EP Impurity E)
  • Leflunomide Impurit Ⅲ:5-DesMethyl-3-Methyl LeflunoMide
  • 3-Methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide
  • 3-methyl-N-(4-(trifluoromethyl)
  • Teriflunomide Impurity
  • 3-Methyl-N-[4-(trifluoromethyl)phen
  • Leflunomide EP Impurity E (TeriflunomideImpurity 1)
CAS:
208401-20-1
MF:
C12H9F3N2O2
MW:
270.21
Product Categories:
  • Aromatics
  • Heterocycles
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Aromatics, Heterocycles, Impurities, Pharmaceuticals, Intermediates & Fine Chemicals
Mol File:
208401-20-1.mol
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5-DesMethyl-3-Methyl LeflunoMide Chemical Properties

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
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5-DesMethyl-3-Methyl LeflunoMide Usage And Synthesis

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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