4-(4-Chlorobenzylidene)-2-(2-chlorophenyl)oxazol-5(4H)-one CAS 89242-34-2

Purity 97%+In StockPharmaceutical Standards
CAS No.89242-34-2
Molecular FormulaC16H9Cl2NO2
Molecular Weight318.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Chlorobenzylidene)-2-(2-chlorophenyl)oxazol-5(4H)-one CAS 89242-34-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 318.15 g/mol gives 4-(4-Chlorobenzylidene)-2-(2-chlorophenyl)oxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(4-Chlorobenzylidene)-2-(2-chlorophenyl)oxazol-5(4H)-one (CAS 89242-34-2) is a high-purity analytical reference standard with the molecular formula C16H9Cl2NO2 and a molecular weight of 318.15 g/mol.

The molecular framework of 4-(4-Chlorobenzylidene)-2-(2-chlorophenyl)oxazol-5(4H)-one (C16H9Cl2NO2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-(4-Chlorobenzylidene)-2-(2-chlorophenyl)oxazol-5(4H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC16H9Cl2NO2
Molecular Weight318.15 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982
Halogen ContentCl-containing
Nitrogen Atoms1

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