N-(3-Methylisoxazol-5-yl)-2-(4-nitrobenzamido)benzamide CAS 90059-35-1

Purity 97%+In StockPharmaceutical Standards
CAS No.90059-35-1
Molecular FormulaC18H14N4O5
Molecular Weight366.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(3-Methylisoxazol-5-yl)-2-(4-nitrobenzamido)benzamide CAS 90059-35-1 chemical structure

Description

The occurrence of N-(3-Methylisoxazol-5-yl)-2-(4-nitrobenzamido)benzamide is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

N-(3-Methylisoxazol-5-yl)-2-(4-nitrobenzamido)benzamide (CAS 90059-35-1), molecular formula C18H14N4O5 and molecular weight 366.33 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of N-(3-Methylisoxazol-5-yl)-2-(4-nitrobenzamido)benzamide (C18H14N4O5) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

As a certified reference material (CRM), N-(3-Methylisoxazol-5-yl)-2-(4-nitrobenzamido)benzamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC18H14N4O5
Molecular Weight366.33 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982
Nitrogen Atoms4

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