5-Amino-3-(4-ethoxyphenyl)isoxazole-4-carboxamide CAS 1217862-90-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1217862-90-2
Molecular FormulaC12H13N3O3
Molecular Weight247.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Amino-3-(4-ethoxyphenyl)isoxazole-4-carboxamide CAS 1217862-90-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 247.25 g/mol gives 5-Amino-3-(4-ethoxyphenyl)isoxazole-4-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-Amino-3-(4-ethoxyphenyl)isoxazole-4-carboxamide (CAS 1217862-90-2), a certified reference material (molecular formula C12H13N3O3, MW 247.25 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H13N3O3, 5-Amino-3-(4-ethoxyphenyl)isoxazole-4-carboxamide contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.25 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.

CATO manufactures 5-Amino-3-(4-ethoxyphenyl)isoxazole-4-carboxamide 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 FormulaC12H13N3O3
Molecular Weight247.25 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms3

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