N4-(4,6-dimethylpyridin-2-yl)-5-methylisoxazole-3,4-dicarboxamide CAS 338761-62-9

Purity 97%+In StockPharmaceutical Standards
CAS No.338761-62-9
Molecular FormulaC13H14N4O3
Molecular Weight274.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N4-(4,6-dimethylpyridin-2-yl)-5-methylisoxazole-3,4-dicarboxamide CAS 338761-62-9 chemical structure

Description

The occurrence of N4-(4,6-dimethylpyridin-2-yl)-5-methylisoxazole-3,4-dicarboxamide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies N4-(4,6-dimethylpyridin-2-yl)-5-methylisoxazole-3,4-dicarboxamide (CAS 338761-62-9), a certified reference material (molecular formula C13H14N4O3, MW 274.28 g/mol) for analytical method development and quality control.

N4-(4,6-dimethylpyridin-2-yl)-5-methylisoxazole-3,4-dicarboxamide (C13H14N4O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 N4-(4,6-dimethylpyridin-2-yl)-5-methylisoxazole-3,4-dicarboxamide 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 FormulaC13H14N4O3
Molecular Weight274.28 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms4

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