5-Bromo-1-(2-phenylethyl)-1H-indole-2,3-dione CAS 328002-46-6

Description

Compared with other compounds in its class, the molecular weight of 330.18 g/mol gives 5-Bromo-1-(2-phenylethyl)-1H-indole-2,3-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Bromo-1-(2-phenylethyl)-1H-indole-2,3-dione (CAS 328002-46-6), molecular formula C16H12BrNO2 and molecular weight 330.18 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H12BrNO2, 5-Bromo-1-(2-phenylethyl)-1H-indole-2,3-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 330.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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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