2-fluoro-4-(trifluoromethyl)benzene-1-sulfonyl chloride CAS 1177009-38-9

Description

Compared with other compounds in its class, the molecular weight of 268.66 g/mol gives 2-fluoro-4-(trifluoromethyl)benzene-1-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-fluoro-4-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 1177009-38-9) is a high-purity analytical reference standard with the molecular formula C7H9ClF4O2S and a molecular weight of 268.66 g/mol.

2-fluoro-4-(trifluoromethyl)benzene-1-sulfonyl chloride (C7H9ClF4O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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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