4,4'-(1-Phenylethylidene)bisphenol CAS 1571-75-1

Purity >95%In StockPharmaceutical Standards
CAS No.1571-75-1
Molecular FormulaC20H18O2
Molecular Weight290.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4'-(1-Phenylethylidene)bisphenol CAS 1571-75-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 290.36 g/mol gives 4,4'-(1-Phenylethylidene)bisphenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4,4'-(1-Phenylethylidene)bisphenol (CAS 1571-75-1), a certified reference material (molecular formula C20H18O2, MW 290.36 g/mol) for analytical method development and quality control.

Based on its molecular formula C20H18O2, 4,4'-(1-Phenylethylidene)bisphenol contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 290.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

CATO manufactures 4,4'-(1-Phenylethylidene)bisphenol 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 FormulaC20H18O2
Molecular Weight290.36 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore at 2-8°C, 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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