Leflunomide EP Impurity A CAS 455-14-1

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.455-14-1
Molecular FormulaC7H6F3N
Molecular Weight161.12 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Leflunomide EP Impurity A CAS 455-14-1 chemical structure

Description

CATO supplies Leflunomide EP Impurity A (CAS 455-14-1), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H6F3N. Molecular weight: 161.12 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC7H6F3N
Molecular Weight161.12 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentF-containing
Nitrogen Atoms1

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