1-{1-(3,4-Difluorophenyl)-4-[4-(ethoxycarbonyl)anilino]-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl}pyridinium chloride CAS 281223-59-4

Purity 97%+In StockPharmaceutical Standards
CAS No.281223-59-4
Molecular FormulaC24H18F2N3O4 Cl
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-{1-(3,4-Difluorophenyl)-4-[4-(ethoxycarbonyl)anilino]-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl}pyridinium chloride CAS 281223-59-4 chemical structure

Description

1-{1-(3,4-Difluorophenyl)-4-[4-(ethoxycarbonyl)anilino]-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl}pyridinium chloride (CAS 281223-59-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H18F2N3O4 Cl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC24H18F2N3O4 Cl
Molecular Weight485.87 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF/Cl-containing
Nitrogen Atoms3

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