4-Fluoro-3-methylbenzo[b]thiophene-2-carboxylic acid CAS 852940-49-9

Description

Compared with other compounds in its class, the molecular weight of 210.22 g/mol gives 4-Fluoro-3-methylbenzo[b]thiophene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Fluoro-3-methylbenzo[b]thiophene-2-carboxylic acid (CAS 852940-49-9) is a high-purity analytical reference standard with the molecular formula C10H7FO2S and a molecular weight of 210.22 g/mol.

Structurally, 4-Fluoro-3-methylbenzo[b]thiophene-2-carboxylic acid (C10H7FO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 210.22 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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-Fluoro-3-methylbenzo[b]thiophene-2-carboxylic 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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