2,3,5,6-Tetrafluorobenzenesulfonyl chloride CAS 776-09-0

Purity 97%+In StockPharmaceutical Standards
CAS No.776-09-0
Molecular FormulaC6HClF4O2S
Molecular Weight248.58 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,3,5,6-Tetrafluorobenzenesulfonyl chloride CAS 776-09-0 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 2,3,5,6-Tetrafluorobenzenesulfonyl chloride.

2,3,5,6-Tetrafluorobenzenesulfonyl chloride (CAS 776-09-0) is a high-purity analytical reference standard with the molecular formula C6HClF4O2S and a molecular weight of 248.58 g/mol.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system, 2,3,5,6-Tetrafluorobenzenesulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 248.58 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 2,3,5,6-Tetrafluorobenzenesulfonyl chloride 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 FormulaC6HClF4O2S
Molecular Weight248.58 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.)1957
Halogen ContentF/Cl-containing
Sulfur Atoms1

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