Leflunomide EP Impurity F CAS 1403564-06-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1403564-06-6
Molecular FormulaC12H9F3N2O2
Molecular Weight270.21 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Leflunomide EP Impurity F CAS 1403564-06-6 chemical structure

Description

Leflunomide EP Impurity F (CAS 1403564-06-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C12H9F3N2O2. Molecular weight: 270.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC12H9F3N2O2
Molecular Weight270.21 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentF-containing
Nitrogen Atoms2

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