6-Bromo-7-chloro-2-(trifluoromethyl)quinazolin-4(3H)-one CAS 54139-91-2

Description

As a certified reference material (CRM), 6-Bromo-7-chloro-2-(trifluoromethyl)quinazolin-4(3H)-one 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.

6-Bromo-7-chloro-2-(trifluoromethyl)quinazolin-4(3H)-one (CAS 54139-91-2), molecular formula C9H3BrClF3N2O and molecular weight 327.49 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 6-Bromo-7-chloro-2-(trifluoromethyl)quinazolin-4(3H)-one (C9H3BrClF3N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution. 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 327.49 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.

Physical & Chemical Properties

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