4,6-dichloro-2-(difluoromethyl)quinazoline CAS 1340191-16-3

Description

Compared with other compounds in its class, the molecular weight of 259.12 g/mol gives 4,6-dichloro-2-(difluoromethyl)quinazoline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4,6-dichloro-2-(difluoromethyl)quinazoline (CAS 1340191-16-3), molecular formula C9H14Cl2F2N2 and molecular weight 259.12 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4,6-dichloro-2-(difluoromethyl)quinazoline (C9H14Cl2F2N2) contains a nitrile group, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 259.12 g/mol, it falls into the medium-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), 4,6-dichloro-2-(difluoromethyl)quinazoline 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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