1-(2,4-Dichlorobenzyl)-3-(5-((3,4-dichlorobenzyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one CAS 477853-21-7

Purity 97%+In StockPharmaceutical Standards
CAS No.477853-21-7
Molecular FormulaC22H16Cl4N4OS
Molecular Weight526.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(2,4-Dichlorobenzyl)-3-(5-((3,4-dichlorobenzyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one CAS 477853-21-7 chemical structure

Description

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.

1-(2,4-Dichlorobenzyl)-3-(5-((3,4-dichlorobenzyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one (CAS 477853-21-7), molecular formula C22H16Cl4N4OS and molecular weight 526.27 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C22H16Cl4N4OS, 1-(2,4-Dichlorobenzyl)-3-(5-((3,4-dichlorobenzyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 526.27 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.

CATO manufactures 1-(2,4-Dichlorobenzyl)-3-(5-((3,4-dichlorobenzyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one 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 FormulaC22H16Cl4N4OS
Molecular Weight526.27 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms1

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