3-(Benzyloxy)-1-[(4-chlorophenyl)methyl]-2-methyl-1,4-dihydropyridin-4-one CAS 338965-55-2

Purity 97%+In StockPharmaceutical Standards
CAS No.338965-55-2
Molecular FormulaC20H18ClNO2
Molecular Weight339.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(Benzyloxy)-1-[(4-chlorophenyl)methyl]-2-methyl-1,4-dihydropyridin-4-one CAS 338965-55-2 chemical structure

Description

The occurrence of 3-(Benzyloxy)-1-[(4-chlorophenyl)methyl]-2-methyl-1,4-dihydropyridin-4-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-(Benzyloxy)-1-[(4-chlorophenyl)methyl]-2-methyl-1,4-dihydropyridin-4-one (CAS 338965-55-2), molecular formula C20H18ClNO2 and molecular weight 339.82 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-(Benzyloxy)-1-[(4-chlorophenyl)methyl]-2-methyl-1,4-dihydropyridin-4-one (C20H18ClNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 339.82 g/mol, it falls into the moderately-high-molecular-weight range. 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), 3-(Benzyloxy)-1-[(4-chlorophenyl)methyl]-2-methyl-1,4-dihydropyridin-4-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 FormulaC20H18ClNO2
Molecular Weight339.82 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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; 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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