443347-10-2 1A4EO1493Y Xyl-p-phos, (S)- UNII-1A4EO1493Y (S)-Xyl-p-phos [MI] 3,3'-Bipyridine, 4,4'-bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-, (3S)- (S)-(-)-2,2,6,6-Tetramethoxy-4,4-bis(di(3,5-xylyl)phosphino)-3,3-bipyridine P-PHOS Ligands, (S)-xyl-p-phos- CAS 443347-10-2

Purity 97%+In StockPharmaceutical Standards
CAS No.443347-10-2
Molecular FormulaC46H86N2O4P2
Molecular Weight793.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

443347-10-2 1A4EO1493Y Xyl-p-phos, (S)- UNII-1A4EO1493Y (S)-Xyl-p-phos [MI] 3,3'-Bipyridine, 4,4'-bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-, (3S)- (S)-(-)-2,2,6,6-Tetramethoxy-4,4-bis(di(3,5-xylyl)phosphino)-3,3-bipyridine P-PHOS Ligands, (S)-xyl-p-phos- CAS 443347-10-2 chemical structure

Description

The occurrence of 443347-10-2 1A4EO1493Y Xyl-p-phos, (S)- UNII-1A4EO1493Y (S)-Xyl-p-phos [MI] 3,3'-Bipyridine, 4,4'-bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-, (3S)- (S)-(-)-2,2,6,6-Tetramethoxy-4,4-bis(di(3,5-xylyl)phosphino)-3,3-bipyridine P-PHOS Ligands, (S)-xyl-p-phos- is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 443347-10-2 1A4EO1493Y Xyl-p-phos, (S)- UNII-1A4EO1493Y (S)-Xyl-p-phos [MI] 3,3'-Bipyridine, 4,4'-bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-, (3S)- (S)-(-)-2,2,6,6-Tetramethoxy-4,4-bis(di(3,5-xylyl)phosphino)-3,3-bipyridine P-PHOS Ligands, (S)-xyl-p-phos- (CAS 443347-10-2), a certified reference material (molecular formula C46H86N2O4P2, MW 793.13 g/mol) for analytical method development and quality control.

Based on its molecular formula C46H86N2O4P2, 443347-10-2 1A4EO1493Y Xyl-p-phos, (S)- UNII-1A4EO1493Y (S)-Xyl-p-phos [MI] 3,3'-Bipyridine, 4,4'-bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-, (3S)- (S)-(-)-2,2,6,6-Tetramethoxy-4,4-bis(di(3,5-xylyl)phosphino)-3,3-bipyridine P-PHOS Ligands, (S)-xyl-p-phos- contains a nitrogen-containing heterocyclic scaffold, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 793.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

As a certified reference material (CRM), 443347-10-2 1A4EO1493Y Xyl-p-phos, (S)- UNII-1A4EO1493Y (S)-Xyl-p-phos [MI] 3,3'-Bipyridine, 4,4'-bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-, (3S)- (S)-(-)-2,2,6,6-Tetramethoxy-4,4-bis(di(3,5-xylyl)phosphino)-3,3-bipyridine P-PHOS Ligands, (S)-xyl-p-phos- meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC46H86N2O4P2
Molecular Weight793.13 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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