7-bromo-2-chloro-4-methyl-benzofuran CAS 2640071-32-3

Description

Compared with other compounds in its class, the molecular weight of 253.56 g/mol gives 7-bromo-2-chloro-4-methyl-benzofuran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

7-bromo-2-chloro-4-methyl-benzofuran (CAS 2640071-32-3), molecular formula C9H14BrClO and molecular weight 253.56 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H14BrClO, 7-bromo-2-chloro-4-methyl-benzofuran contains a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 253.56 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.

As a certified reference material (CRM), 7-bromo-2-chloro-4-methyl-benzofuran 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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