Impurities
AY-0581-003
Leflunomide EP Impurity B
C12H9F3N2O2
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Impurity reference standard material
Leflunomide Related Compound B
Material overview
Leflunomide Related Compound B (AY-0581-004) — impurity reference standard material. CAS 108605-62-5, formula C12H9F3N2O2, molecular weight 270.21 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0581-004
- CAS number
- 108605-62-5
- Molecular formula
- C12H9F3N2O2
- Molecular weight
- 270.21 g/mol
- Category
- Impurity reference standard material
- Chemical name
- 2-cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]but-2-enamide
- Synonyms
- (E/Z)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide
- SMILES
- CC(=C(C#N)C(=O)NC1=CC=C(C=C1)C(F)(F)F)O
- Appearance
- White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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