2-bromo-4-chlorobenzene-1-sulfonyl chloride CAS 929281-63-0

Purity 97%+In StockPharmaceutical Standards
CAS No.929281-63-0
Molecular FormulaC6H3BrCl2O2S
Molecular Weight289.96 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-bromo-4-chlorobenzene-1-sulfonyl chloride CAS 929281-63-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 289.96 g/mol gives 2-bromo-4-chlorobenzene-1-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-bromo-4-chlorobenzene-1-sulfonyl chloride (CAS 929281-63-0) is a high-purity analytical reference standard with the molecular formula C6H3BrCl2O2S and a molecular weight of 289.96 g/mol.

2-bromo-4-chlorobenzene-1-sulfonyl chloride (C6H3BrCl2O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/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. 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).

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 FormulaC6H3BrCl2O2S
Molecular Weight289.96 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; 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.)1987
Halogen ContentCl/Br-containing
Sulfur Atoms1

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