N-acetyl-N-(2-methyl-5-nitrophenyl)acetamide CAS 91573-24-9

Purity 97%+In StockPharmaceutical Standards
CAS No.91573-24-9
Molecular FormulaC11H12N2O4
Molecular Weight236.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-acetyl-N-(2-methyl-5-nitrophenyl)acetamide CAS 91573-24-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 236.22 g/mol gives N-acetyl-N-(2-methyl-5-nitrophenyl)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies N-acetyl-N-(2-methyl-5-nitrophenyl)acetamide (CAS 91573-24-9), a certified reference material (molecular formula C11H12N2O4, MW 236.22 g/mol) for analytical method development and quality control.

N-acetyl-N-(2-methyl-5-nitrophenyl)acetamide (C11H12N2O4) contains an amino-acid-derived structure, 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. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC11H12N2O4
Molecular Weight236.22 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Nitrogen Atoms2

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