4-(4-Chlorobenzoyl)-3-hydroxy-1-(6-methoxybenzo[d]thiazol-2-yl)-5-phenyl-1H-pyrrol-2(5H)-one CAS 477333-34-9

Purity 97%+In StockPharmaceutical Standards
CAS No.477333-34-9
Molecular FormulaC25H17ClN2O4S
Molecular Weight476.93 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Chlorobenzoyl)-3-hydroxy-1-(6-methoxybenzo[d]thiazol-2-yl)-5-phenyl-1H-pyrrol-2(5H)-one CAS 477333-34-9 chemical structure

Description

4-(4-Chlorobenzoyl)-3-hydroxy-1-(6-methoxybenzo[d]thiazol-2-yl)-5-phenyl-1H-pyrrol-2(5H)-one (CAS 477333-34-9) is a high-purity analytical reference standard with the molecular formula C25H17ClN2O4S and a molecular weight of 476.93 g/mol.

Based on its molecular formula C25H17ClN2O4S, 4-(4-Chlorobenzoyl)-3-hydroxy-1-(6-methoxybenzo[d]thiazol-2-yl)-5-phenyl-1H-pyrrol-2(5H)-one contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 476.93 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).

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-(4-Chlorobenzoyl)-3-hydroxy-1-(6-methoxybenzo[d]thiazol-2-yl)-5-phenyl-1H-pyrrol-2(5H)-one 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 FormulaC25H17ClN2O4S
Molecular Weight476.93 g/mol
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)18.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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