4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride CAS 1804657-22-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1804657-22-4
Molecular FormulaC6H2BrClF3NO2S
Molecular Weight324.50 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride CAS 1804657-22-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 324.50 g/mol gives 4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride (CAS 1804657-22-4), a certified reference material (molecular formula C6H2BrClF3NO2S, MW 324.50 g/mol) for analytical method development and quality control.

Structurally, 4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride (C6H2BrClF3NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 324.50 g/mol, it falls into the moderately-high-molecular-weight range. 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.

As a certified reference material (CRM), 4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC6H2BrClF3NO2S
Molecular Weight324.50 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
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.)1995
Halogen ContentF/Cl/Br-containing
Nitrogen Atoms1
Sulfur Atoms1

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