1-(Benzenesulfonyl)-2-chloro-1H-pyrrole CAS 1881332-07-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1881332-07-5
Molecular FormulaC10H8ClNO2S
Molecular Weight241.69 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(Benzenesulfonyl)-2-chloro-1H-pyrrole CAS 1881332-07-5 chemical structure

Description

The occurrence of 1-(Benzenesulfonyl)-2-chloro-1H-pyrrole is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-(Benzenesulfonyl)-2-chloro-1H-pyrrole (CAS 1881332-07-5) is a high-purity analytical reference standard with the molecular formula C10H8ClNO2S and a molecular weight of 241.69 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 1-(Benzenesulfonyl)-2-chloro-1H-pyrrole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 241.69 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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-(Benzenesulfonyl)-2-chloro-1H-pyrrole 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 FormulaC10H8ClNO2S
Molecular Weight241.69 g/mol
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.)1995
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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