2-((1-(4-Chlorophenyl)-3-(methoxycarbonyl)-6-oxo-1,6-dihydropyridazin-4-yl)thio)pyridine 1-oxide CAS 338756-25-5

Purity 97%+In StockPharmaceutical Standards
CAS No.338756-25-5
Molecular FormulaC17H12ClN3O4S
Molecular Weight389.81 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-((1-(4-Chlorophenyl)-3-(methoxycarbonyl)-6-oxo-1,6-dihydropyridazin-4-yl)thio)pyridine 1-oxide CAS 338756-25-5 chemical structure

Description

Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 2-((1-(4-Chlorophenyl)-3-(methoxycarbonyl)-6-oxo-1,6-dihydropyridazin-4-yl)thio)pyridine 1-oxide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 389.81 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO supplies 2-((1-(4-Chlorophenyl)-3-(methoxycarbonyl)-6-oxo-1,6-dihydropyridazin-4-yl)thio)pyridine 1-oxide (CAS 338756-25-5), a certified reference material (molecular formula C17H12ClN3O4S, MW 389.81 g/mol) for analytical method development and quality control.

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-((1-(4-Chlorophenyl)-3-(methoxycarbonyl)-6-oxo-1,6-dihydropyridazin-4-yl)thio)pyridine 1-oxide 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 FormulaC17H12ClN3O4S
Molecular Weight389.81 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms1

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