3-(3,4-Dichlorophenyl)pyrrolidine-2,5-dione CAS 81199-25-9

Purity 97%+In StockPharmaceutical Standards
CAS No.81199-25-9
Molecular FormulaC10H7Cl2NO2
Molecular Weight244.07 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(3,4-Dichlorophenyl)pyrrolidine-2,5-dione CAS 81199-25-9 chemical structure

Description

Based on its molecular formula C10H7Cl2NO2, 3-(3,4-Dichlorophenyl)pyrrolidine-2,5-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

3-(3,4-Dichlorophenyl)pyrrolidine-2,5-dione (CAS 81199-25-9) is a high-purity analytical reference standard with the molecular formula C10H7Cl2NO2 and a molecular weight of 244.07 g/mol.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 3-(3,4-Dichlorophenyl)pyrrolidine-2,5-dione 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 FormulaC10H7Cl2NO2
Molecular Weight244.07 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Halogen ContentCl-containing
Nitrogen Atoms1

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