1-[(4-tert-Butylphenyl)methyl]-1,2-dihydroquinolin-2-one CAS 866155-79-5

Purity 97%+In StockPharmaceutical Standards
CAS No.866155-79-5
Molecular FormulaC20H21NO
Molecular Weight291.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-[(4-tert-Butylphenyl)methyl]-1,2-dihydroquinolin-2-one CAS 866155-79-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 291.39 g/mol gives 1-[(4-tert-Butylphenyl)methyl]-1,2-dihydroquinolin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-[(4-tert-Butylphenyl)methyl]-1,2-dihydroquinolin-2-one (CAS 866155-79-5), molecular formula C20H21NO and molecular weight 291.39 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C20H21NO, 1-[(4-tert-Butylphenyl)methyl]-1,2-dihydroquinolin-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.39 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC20H21NO
Molecular Weight291.39 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
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1

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