1-(3,4-Dichlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-one CAS 338965-46-1

Purity 97%+In StockPharmaceutical Standards
CAS No.338965-46-1
Molecular FormulaC20H15Cl4NO2
Molecular Weight443.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(3,4-Dichlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-one CAS 338965-46-1 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(3,4-Dichlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-one.

1-(3,4-Dichlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-one (CAS 338965-46-1) is a high-purity analytical reference standard with the molecular formula C20H15Cl4NO2 and a molecular weight of 443.15 g/mol.

1-(3,4-Dichlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-one (C20H15Cl4NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

As a certified reference material (CRM), 1-(3,4-Dichlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-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 FormulaC20H15Cl4NO2
Molecular Weight443.15 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms1

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