1-(4-Methoxybenzoyl)pyrrolidine-2,5-dione CAS 6343-26-6

Purity 97%+In StockPharmaceutical Standards
CAS No.6343-26-6
Molecular FormulaC12H11NO4
Molecular Weight233.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-Methoxybenzoyl)pyrrolidine-2,5-dione CAS 6343-26-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 233.22 g/mol gives 1-(4-Methoxybenzoyl)pyrrolidine-2,5-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(4-Methoxybenzoyl)pyrrolidine-2,5-dione (CAS 6343-26-6), molecular formula C12H11NO4 and molecular weight 233.22 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H11NO4, 1-(4-Methoxybenzoyl)pyrrolidine-2,5-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 1-(4-Methoxybenzoyl)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 FormulaC12H11NO4
Molecular Weight233.22 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1

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