1-[1-(3,4-difluorophenyl)-4-(4-methoxyanilino)-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl]-4-methylpyridinium chloride CAS 281223-62-9

Purity 97%+In StockPharmaceutical Standards
CAS No.281223-62-9
Molecular FormulaC23H18F2N3O3 Cl
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-[1-(3,4-difluorophenyl)-4-(4-methoxyanilino)-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl]-4-methylpyridinium chloride CAS 281223-62-9 chemical structure

Description

CATO supplies 1-[1-(3,4-difluorophenyl)-4-(4-methoxyanilino)-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl]-4-methylpyridinium chloride (CAS 281223-62-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H18F2N3O3 Cl. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC23H18F2N3O3 Cl
Molecular Weight457.86 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF/Cl-containing
Nitrogen Atoms3

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