4-(3-Ethyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide CAS 65116-13-4

Purity 97%+In StockPharmaceutical Standards
CAS No.65116-13-4
Molecular FormulaC12H14N2O4S
Molecular Weight282.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(3-Ethyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide CAS 65116-13-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 282.32 g/mol gives 4-(3-Ethyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(3-Ethyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide (CAS 65116-13-4) is a high-purity analytical reference standard with the molecular formula C12H14N2O4S and a molecular weight of 282.32 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-(3-Ethyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 282.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 4-(3-Ethyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide 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 FormulaC12H14N2O4S
Molecular Weight282.32 g/mol
Purity97%+
StorageStore at 2-8°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
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Nitrogen Atoms2
Sulfur Atoms1

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