2-(4-Bromothiophen-2-yl)-2-methoxyacetic acid CAS 1378260-68-4

Description

The occurrence of 2-(4-Bromothiophen-2-yl)-2-methoxyacetic acid is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-(4-Bromothiophen-2-yl)-2-methoxyacetic acid (CAS 1378260-68-4), molecular formula C7H7BrO3S and molecular weight 251.10 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H7BrO3S, 2-(4-Bromothiophen-2-yl)-2-methoxyacetic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 251.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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