2-(3,4-Dimethylphenyl)-4-[3-(4-ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1,2-dihydrophthalazin-1-one CAS 1291834-82-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1291834-82-6
Molecular FormulaC26H22N4O3
Molecular Weight438.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(3,4-Dimethylphenyl)-4-[3-(4-ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1,2-dihydrophthalazin-1-one CAS 1291834-82-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 438.48 g/mol gives 2-(3,4-Dimethylphenyl)-4-[3-(4-ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1,2-dihydrophthalazin-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 2-(3,4-Dimethylphenyl)-4-[3-(4-ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1,2-dihydrophthalazin-1-one (CAS 1291834-82-6), a certified reference material (molecular formula C26H22N4O3, MW 438.48 g/mol) for analytical method development and quality control.

Based on its molecular formula C26H22N4O3, 2-(3,4-Dimethylphenyl)-4-[3-(4-ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1,2-dihydrophthalazin-1-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 438.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

CATO manufactures 2-(3,4-Dimethylphenyl)-4-[3-(4-ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1,2-dihydrophthalazin-1-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 FormulaC26H22N4O3
Molecular Weight438.48 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°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)18.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms4

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