4-(2-Methoxybenzoyl)-2-methyl-6-(p-tolyl)pyridazin-3(2H)-one CAS 832712-34-2

Purity 97%+In StockPharmaceutical Standards
CAS No.832712-34-2
Molecular FormulaC20H18N2O3
Molecular Weight334.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(2-Methoxybenzoyl)-2-methyl-6-(p-tolyl)pyridazin-3(2H)-one CAS 832712-34-2 chemical structure

Description

Based on its molecular formula C20H18N2O3, 4-(2-Methoxybenzoyl)-2-methyl-6-(p-tolyl)pyridazin-3(2H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 334.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

4-(2-Methoxybenzoyl)-2-methyl-6-(p-tolyl)pyridazin-3(2H)-one (CAS 832712-34-2) is a high-purity analytical reference standard with the molecular formula C20H18N2O3 and a molecular weight of 334.37 g/mol.

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.

CATO manufactures 4-(2-Methoxybenzoyl)-2-methyl-6-(p-tolyl)pyridazin-3(2H)-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 FormulaC20H18N2O3
Molecular Weight334.37 g/mol
AppearancePale yellow to yellow crystalline powder
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
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Nitrogen Atoms2

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