1,1'-(1,9-Nonanediyl)bis[1,1,1-triphenyl-phosphonium Bromide (1:2) CAS 90052-39-4

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,1'-(1,9-Nonanediyl)bis[1,1,1-triphenyl-phosphonium Bromide (1:2).

1,1'-(1,9-Nonanediyl)bis[1,1,1-triphenyl-phosphonium Bromide (1:2) (CAS 90052-39-4), molecular formula C45H48P2Br and molecular weight 730.73 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1,1'-(1,9-Nonanediyl)bis[1,1,1-triphenyl-phosphonium Bromide (1:2) (C45H48P2Br) contains organophosphorus functionality, bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 21.5, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 730.73 g/mol, it falls into the high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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'-(1,9-Nonanediyl)bis[1,1,1-triphenyl-phosphonium Bromide (1:2) 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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