3-Chloro-4-fluorobenzene-1-sulfonyl chloride CAS 91170-93-3

Purity 97%+In StockPharmaceutical Standards
CAS No.91170-93-3
Molecular FormulaC6H3Cl2FO2S
Molecular Weight229.06 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Chloro-4-fluorobenzene-1-sulfonyl chloride CAS 91170-93-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 229.06 g/mol gives 3-Chloro-4-fluorobenzene-1-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-Chloro-4-fluorobenzene-1-sulfonyl chloride (CAS 91170-93-3), a certified reference material (molecular formula C6H3Cl2FO2S, MW 229.06 g/mol) for analytical method development and quality control.

Based on its molecular formula C6H3Cl2FO2S, 3-Chloro-4-fluorobenzene-1-sulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 229.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC6H3Cl2FO2S
Molecular Weight229.06 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.)1983
Halogen ContentF/Cl-containing
Sulfur Atoms1

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