(16aR)-1,16-Bis(diphenylphosphino)-6,7,8,9,10,11-hexahydrodibenzo[b,d][1,6]dioxacyclododecine CAS 301847-92-7

Description

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.

(16aR)-1,16-Bis(diphenylphosphino)-6,7,8,9,10,11-hexahydrodibenzo[b,d][1,6]dioxacyclododecine (CAS 301847-92-7), molecular formula C42H38O2P2 and molecular weight 636.70 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (16aR)-1,16-Bis(diphenylphosphino)-6,7,8,9,10,11-hexahydrodibenzo[b,d][1,6]dioxacyclododecine (C42H38O2P2) 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 24.0, corresponding to approximately 24 ring(s) or double-bond equivalent(s). With a molecular weight of 636.70 g/mol, it falls into the 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.

Physical & Chemical Properties

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