3-(4-Bromobenzoyl)-4-(4-methylphenyl)-1H-pyrrole CAS 478031-45-7

Description

Compared with other compounds in its class, the molecular weight of 340.21 g/mol gives 3-(4-Bromobenzoyl)-4-(4-methylphenyl)-1H-pyrrole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-(4-Bromobenzoyl)-4-(4-methylphenyl)-1H-pyrrole (CAS 478031-45-7), a certified reference material (molecular formula C18H14BrNO, MW 340.21 g/mol) for analytical method development and quality control.

Structurally, 3-(4-Bromobenzoyl)-4-(4-methylphenyl)-1H-pyrrole (C18H14BrNO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 340.21 g/mol, it falls into the moderately-high-molecular-weight range. 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.

As a certified reference material (CRM), 3-(4-Bromobenzoyl)-4-(4-methylphenyl)-1H-pyrrole 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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