1-Butyl-2-[(E)-[(4-chloro-3-nitrophenyl)methylidene]amino]-4,5-diphenyl-1H-pyrrole-3-carbonitrile CAS 478032-81-4

Purity 97%+In StockPharmaceutical Standards
CAS No.478032-81-4
Molecular FormulaC28H23ClN4O2
Molecular Weight482.96 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Butyl-2-[(E)-[(4-chloro-3-nitrophenyl)methylidene]amino]-4,5-diphenyl-1H-pyrrole-3-carbonitrile CAS 478032-81-4 chemical structure

Description

1-Butyl-2-[(E)-[(4-chloro-3-nitrophenyl)methylidene]amino]-4,5-diphenyl-1H-pyrrole-3-carbonitrile (CAS 478032-81-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H23ClN4O2. Molecular weight: 482.96 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC28H23ClN4O2
Molecular Weight482.96 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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)19.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4

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