3,5-Dibromo-4-methoxypyridine 1-oxide CAS 650140-84-4

Purity 97%+In StockPharmaceutical Standards
CAS No.650140-84-4
Molecular FormulaC6H5Br2NO2
Molecular Weight282.92 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Dibromo-4-methoxypyridine 1-oxide CAS 650140-84-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 282.92 g/mol gives 3,5-Dibromo-4-methoxypyridine 1-oxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3,5-Dibromo-4-methoxypyridine 1-oxide (CAS 650140-84-4), a certified reference material (molecular formula C6H5Br2NO2, MW 282.92 g/mol) for analytical method development and quality control.

3,5-Dibromo-4-methoxypyridine 1-oxide (C6H5Br2NO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, 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.

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

CATO manufactures 3,5-Dibromo-4-methoxypyridine 1-oxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC6H5Br2NO2
Molecular Weight282.92 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Halogen ContentBr-containing
Nitrogen Atoms1

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