3,4-Dichlorobenzene-1-sulfonyl chloride 3,4-dichloro-benzenesulfonylchlorid 3,4-dichlorobenzenesulfonyl chloride 3,4-dichlorobenzenesulfonyl chloride, 95 % 3,4-dichlorobenzenesulphonyl chloride 3,4-dichlorobenzenesulphonyl chloride 98% 3,4-dichlorophenylsulfonyl chloride 98-31-7 benzenesulfonyl chloride, 3,4-dichloro- CAS 98-31-7

Purity 97%+In StockPharmaceutical Standards
CAS No.98-31-7
Molecular FormulaC6H9Cl3O2S
Molecular Weight251.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Dichlorobenzene-1-sulfonyl chloride
3,4-dichloro-benzenesulfonylchlorid
3,4-dichlorobenzenesulfonyl chloride
3,4-dichlorobenzenesulfonyl chloride, 95 %
3,4-dichlorobenzenesulphonyl chloride
3,4-dichlorobenzenesulphonyl chloride 98%
3,4-dichlorophenylsulfonyl chloride
98-31-7
benzenesulfonyl chloride, 3,4-dichloro- CAS 98-31-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 251.56 g/mol gives 3,4-Dichlorobenzene-1-sulfonyl chloride 3,4-dichloro-benzenesulfonylchlorid 3,4-dichlorobenzenesulfonyl chloride 3,4-dichlorobenzenesulfonyl chloride, 95 % 3,4-dichlorobenzenesulphonyl chloride 3,4-dichlorobenzenesulphonyl chloride 98% 3,4-dichlorophenylsulfonyl chloride 98-31-7 benzenesulfonyl chloride, 3,4-dichloro- distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,4-Dichlorobenzene-1-sulfonyl chloride 3,4-dichloro-benzenesulfonylchlorid 3,4-dichlorobenzenesulfonyl chloride 3,4-dichlorobenzenesulfonyl chloride, 95 % 3,4-dichlorobenzenesulphonyl chloride 3,4-dichlorobenzenesulphonyl chloride 98% 3,4-dichlorophenylsulfonyl chloride 98-31-7 benzenesulfonyl chloride, 3,4-dichloro- (CAS 98-31-7), molecular formula C6H9Cl3O2S and molecular weight 251.56 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 3,4-Dichlorobenzene-1-sulfonyl chloride 3,4-dichloro-benzenesulfonylchlorid 3,4-dichlorobenzenesulfonyl chloride 3,4-dichlorobenzenesulfonyl chloride, 95 % 3,4-dichlorobenzenesulphonyl chloride 3,4-dichlorobenzenesulphonyl chloride 98% 3,4-dichlorophenylsulfonyl chloride 98-31-7 benzenesulfonyl chloride, 3,4-dichloro- (C6H9Cl3O2S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 3,4-Dichlorobenzene-1-sulfonyl chloride 3,4-dichloro-benzenesulfonylchlorid 3,4-dichlorobenzenesulfonyl chloride 3,4-dichlorobenzenesulfonyl chloride, 95 % 3,4-dichlorobenzenesulphonyl chloride 3,4-dichlorobenzenesulphonyl chloride 98% 3,4-dichlorophenylsulfonyl chloride 98-31-7 benzenesulfonyl chloride, 3,4-dichloro- 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 FormulaC6H9Cl3O2S
Molecular Weight251.56 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityContains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Sulfur Atoms1

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