19281-11-9 N,N-Diethyl-2-(3-nitrophenyl)acetamide N,N-Diethyl-2-(m-nitrophenyl)acetamide N,N-Diethyl-3-nitro-benzeneacetamide N,N-Diethyl-3-nitrobenzeneacetamide CAS 19281-11-9

Purity 97%+In StockPharmaceutical Standards
CAS No.19281-11-9
Molecular FormulaC12H16N2O3
Molecular Weight236.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

19281-11-9 N,N-Diethyl-2-(3-nitrophenyl)acetamide N,N-Diethyl-2-(m-nitrophenyl)acetamide N,N-Diethyl-3-nitro-benzeneacetamide N,N-Diethyl-3-nitrobenzeneacetamide CAS 19281-11-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 236.27 g/mol gives 19281-11-9 N,N-Diethyl-2-(3-nitrophenyl)acetamide N,N-Diethyl-2-(m-nitrophenyl)acetamide N,N-Diethyl-3-nitro-benzeneacetamide N,N-Diethyl-3-nitrobenzeneacetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 19281-11-9 N,N-Diethyl-2-(3-nitrophenyl)acetamide N,N-Diethyl-2-(m-nitrophenyl)acetamide N,N-Diethyl-3-nitro-benzeneacetamide N,N-Diethyl-3-nitrobenzeneacetamide (CAS 19281-11-9), a certified reference material (molecular formula C12H16N2O3, MW 236.27 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H16N2O3, 19281-11-9 N,N-Diethyl-2-(3-nitrophenyl)acetamide N,N-Diethyl-2-(m-nitrophenyl)acetamide N,N-Diethyl-3-nitro-benzeneacetamide N,N-Diethyl-3-nitrobenzeneacetamide 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 236.27 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.

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 FormulaC12H16N2O3
Molecular Weight236.27 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 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms2

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