5-Bromo-2-iodo-4-methyl-3-nitropyridine CAS 1086838-20-1

Description

Compared with other compounds in its class, the molecular weight of 342.92 g/mol gives 5-Bromo-2-iodo-4-methyl-3-nitropyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Bromo-2-iodo-4-methyl-3-nitropyridine (CAS 1086838-20-1), molecular formula C6H4BrIN2O2 and molecular weight 342.92 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Bromo-2-iodo-4-methyl-3-nitropyridine (C6H4BrIN2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine/iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 342.92 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 5-Bromo-2-iodo-4-methyl-3-nitropyridine 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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