Rhodium(1+), [(1,2,5,6-η)-1,5-cyclooctadiene][(2R,2'R,5R,5'R)-1,1'-(3,3,4,4-tetrafluoro-1-cyclobutene-1,2-diyl)bis[2,5-dimethylphospholane-κP]]- CAS 908128-76-7

Description

Rhodium(1+), [(1,2,5,6-η)-1,5-cyclooctadiene][(2R,2'R,5R,5'R)-1,1'-(3,3,4,4-tetrafluoro-1-cyclobutene-1,2-diyl)bis[2,5-dimethylphospholane-κP]]- (CAS 908128-76-7) is a high-purity analytical reference standard with the molecular formula C24H36F4P2Rh and a molecular weight of 565.39 g/mol.

Owing to organophosphorus functionality, fluorine substitution, an aromatic ring system, Rhodium(1+), [(1,2,5,6-η)-1,5-cyclooctadiene][(2R,2'R,5R,5'R)-1,1'-(3,3,4,4-tetrafluoro-1-cyclobutene-1,2-diyl)bis[2,5-dimethylphospholane-κP]]- is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 565.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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