2-Hydroxy-4-oxo-4-(thiophen-2-yl)but-2-enoic acid CAS 488111-17-7

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Hydroxy-4-oxo-4-(thiophen-2-yl)but-2-enoic acid.

2-Hydroxy-4-oxo-4-(thiophen-2-yl)but-2-enoic acid (CAS 488111-17-7), molecular formula C8H6O4S and molecular weight 198.20 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H6O4S, 2-Hydroxy-4-oxo-4-(thiophen-2-yl)but-2-enoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 2-Hydroxy-4-oxo-4-(thiophen-2-yl)but-2-enoic acid 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

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