4,4'-(((Phenylphosphinediyl)bis(4,1-phenylene))bis(oxy))dianiline CAS 121566-10-7

Purity 97%+In StockPharmaceutical Standards
CAS No.121566-10-7
Molecular FormulaC30H25N2O2P
Molecular Weight476.51 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4'-(((Phenylphosphinediyl)bis(4,1-phenylene))bis(oxy))dianiline CAS 121566-10-7 chemical structure

Description

The occurrence of 4,4'-(((Phenylphosphinediyl)bis(4,1-phenylene))bis(oxy))dianiline is closely related to a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4,4'-(((Phenylphosphinediyl)bis(4,1-phenylene))bis(oxy))dianiline (CAS 121566-10-7), molecular formula C30H25N2O2P and molecular weight 476.51 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C30H25N2O2P, 4,4'-(((Phenylphosphinediyl)bis(4,1-phenylene))bis(oxy))dianiline contains a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 476.51 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.

CATO manufactures 4,4'-(((Phenylphosphinediyl)bis(4,1-phenylene))bis(oxy))dianiline 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 FormulaC30H25N2O2P
Molecular Weight476.51 g/mol
AppearancePale yellow to yellow crystalline powder
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)19.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms2

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