4-(Difluoromethyl)-5-nitropyridine-3-sulfonamide CAS 1805300-66-6

Description

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.

4-(Difluoromethyl)-5-nitropyridine-3-sulfonamide (CAS 1805300-66-6) is a high-purity analytical reference standard with the molecular formula C6H5F2N3O4S and a molecular weight of 253.18 g/mol.

Based on its molecular formula C6H5F2N3O4S, 4-(Difluoromethyl)-5-nitropyridine-3-sulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 4-(Difluoromethyl)-5-nitropyridine-3-sulfonamide 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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