2-(4-Nitrophenyl)-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxylFree Radical CAS 38582-73-9

Purity 97%+In StockPharmaceutical Standards
CAS No.38582-73-9
Molecular FormulaC13H16N3O4
Molecular Weight278.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Nitrophenyl)-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxylFree Radical CAS 38582-73-9 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(4-Nitrophenyl)-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxylFree Radical.

CATO supplies 2-(4-Nitrophenyl)-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxylFree Radical (CAS 38582-73-9), a certified reference material (molecular formula C13H16N3O4, MW 278.28 g/mol) for analytical method development and quality control.

Based on its molecular formula C13H16N3O4, 2-(4-Nitrophenyl)-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxylFree Radical contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 278.28 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.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC13H16N3O4
Molecular Weight278.28 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)7.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms3

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