2-(4-Hydroxyphenyl)-2H-isoquinolin-1-one CAS 20434-92-8

Purity 97%+In StockPharmaceutical Standards
CAS No.20434-92-8
Molecular FormulaC15H11NO2
Molecular Weight237.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Hydroxyphenyl)-2H-isoquinolin-1-one CAS 20434-92-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 237.25 g/mol gives 2-(4-Hydroxyphenyl)-2H-isoquinolin-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 2-(4-Hydroxyphenyl)-2H-isoquinolin-1-one (CAS 20434-92-8), a certified reference material (molecular formula C15H11NO2, MW 237.25 g/mol) for analytical method development and quality control.

Based on its molecular formula C15H11NO2, 2-(4-Hydroxyphenyl)-2H-isoquinolin-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 237.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 2-(4-Hydroxyphenyl)-2H-isoquinolin-1-one 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 FormulaC15H11NO2
Molecular Weight237.25 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms1

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