1,1′-Bis(4-aminophenyl)-[4,4′-bipyridine]-1,1′-diium chloride CAS 222973-24-2

Description

The occurrence of 1,1′-Bis(4-aminophenyl)-[4,4′-bipyridine]-1,1′-diium chloride is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1,1′-Bis(4-aminophenyl)-[4,4′-bipyridine]-1,1′-diium chloride (CAS 222973-24-2), molecular formula C22H20N4Cl and molecular weight 375.88 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1,1′-Bis(4-aminophenyl)-[4,4′-bipyridine]-1,1′-diium chloride (C22H20N4Cl) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.5, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 375.88 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), 1,1′-Bis(4-aminophenyl)-[4,4′-bipyridine]-1,1′-diium chloride 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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