3-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzoic acid CAS 501649-79-2

Purity 97%+In StockPharmaceutical Standards
CAS No.501649-79-2
Molecular FormulaC11H6Cl2N2O3
Molecular Weight285.08 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzoic acid CAS 501649-79-2 chemical structure

Description

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.

CATO supplies 3-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzoic acid (CAS 501649-79-2), a certified reference material (molecular formula C11H6Cl2N2O3, MW 285.08 g/mol) for analytical method development and quality control.

Based on its molecular formula C11H6Cl2N2O3, 3-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 285.08 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.

Physical & Chemical Properties

Molecular FormulaC11H6Cl2N2O3
Molecular Weight285.08 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Halogen ContentCl-containing
Nitrogen Atoms2

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