(17aR)-16,17-Bis(diphenylphosphino)-8,9-dihydro-7H-dinaphtho[2,3-f:2',3'-h][1,5]dioxonine CAS 428877-98-9

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.

(17aR)-16,17-Bis(diphenylphosphino)-8,9-dihydro-7H-dinaphtho[2,3-f:2',3'-h][1,5]dioxonine (CAS 428877-98-9) is a high-purity analytical reference standard with the molecular formula C47H36O2P2 and a molecular weight of 694.74 g/mol.

Structurally, (17aR)-16,17-Bis(diphenylphosphino)-8,9-dihydro-7H-dinaphtho[2,3-f:2',3'-h][1,5]dioxonine (C47H36O2P2) contains organophosphorus functionality, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 30.0, corresponding to approximately 30 ring(s) or double-bond equivalent(s). With a molecular weight of 694.74 g/mol, it falls into the high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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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