2-Bromo-5-methyl-3-nitropyridine CAS 23056-46-4

Purity 97%+In StockPharmaceutical Standards
CAS No.23056-46-4
Molecular FormulaC6H5BrN2O2
Molecular Weight217.02 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Bromo-5-methyl-3-nitropyridine CAS 23056-46-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 217.02 g/mol gives 2-Bromo-5-methyl-3-nitropyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 2-Bromo-5-methyl-3-nitropyridine (CAS 23056-46-4), a certified reference material (molecular formula C6H5BrN2O2, MW 217.02 g/mol) for analytical method development and quality control.

Based on its molecular formula C6H5BrN2O2, 2-Bromo-5-methyl-3-nitropyridine contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 FormulaC6H5BrN2O2
Molecular Weight217.02 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentBr-containing
Nitrogen Atoms2

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