(S)-(2'-methoxy-[1,1'-binaphthalen]-2-yl)diphenylphosphine oxide CAS 134484-37-0

Purity 97%+In StockPharmaceutical Standards
CAS No.134484-37-0
Molecular FormulaC33H25O2P
Molecular Weight484.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(S)-(2'-methoxy-[1,1'-binaphthalen]-2-yl)diphenylphosphine oxide CAS 134484-37-0 chemical structure

Description

Structurally, (S)-(2'-methoxy-[1,1'-binaphthalen]-2-yl)diphenylphosphine oxide (C33H25O2P) 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 21.5, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 484.52 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

(S)-(2'-methoxy-[1,1'-binaphthalen]-2-yl)diphenylphosphine oxide (CAS 134484-37-0), molecular formula C33H25O2P and molecular weight 484.52 g/mol, is a CATO reference standard with documented purity and traceability.

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

Molecular FormulaC33H25O2P
Molecular Weight484.52 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)21.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995

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