(S)-2,2'-Bis(di-p-tolylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl CAS 1365531-82-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1365531-82-3
Molecular FormulaC44H44O4P2
Molecular Weight698.77 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(S)-2,2'-Bis(di-p-tolylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl CAS 1365531-82-3 chemical structure

Description

The occurrence of (S)-2,2'-Bis(di-p-tolylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl is closely related to a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies (S)-2,2'-Bis(di-p-tolylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl (CAS 1365531-82-3), a certified reference material (molecular formula C44H44O4P2, MW 698.77 g/mol) for analytical method development and quality control.

Structurally, (S)-2,2'-Bis(di-p-tolylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl (C44H44O4P2) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 23.0, corresponding to approximately 23 ring(s) or double-bond equivalent(s). With a molecular weight of 698.77 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.

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.

CATO manufactures (S)-2,2'-Bis(di-p-tolylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC44H44O4P2
Molecular Weight698.77 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
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)23.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991

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