3-Chloro-4-cyclohexyl-1-phenyl-2,5-dihydro-1H-pyrrole-2,5-dione CAS 943121-83-3

Purity 97%+In StockPharmaceutical Standards
CAS No.943121-83-3
Molecular FormulaC16H16ClNO2
Molecular Weight289.76 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Chloro-4-cyclohexyl-1-phenyl-2,5-dihydro-1H-pyrrole-2,5-dione CAS 943121-83-3 chemical structure

Description

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.

3-Chloro-4-cyclohexyl-1-phenyl-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 943121-83-3), molecular formula C16H16ClNO2 and molecular weight 289.76 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H16ClNO2, 3-Chloro-4-cyclohexyl-1-phenyl-2,5-dihydro-1H-pyrrole-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 289.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

CATO manufactures 3-Chloro-4-cyclohexyl-1-phenyl-2,5-dihydro-1H-pyrrole-2,5-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC16H16ClNO2
Molecular Weight289.76 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms1

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