(2-Oxopropyl)triphenylphosphonium iodide CAS 65602-18-8

Description

The occurrence of (2-Oxopropyl)triphenylphosphonium iodide is closely related to a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(2-Oxopropyl)triphenylphosphonium iodide (CAS 65602-18-8), molecular formula C21H20OPI and molecular weight 446.26 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, iodine substitution, (2-Oxopropyl)triphenylphosphonium iodide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 446.26 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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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