4-Chlorothiophene-2-boronic acid CAS 1133931-02-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1133931-02-8
Molecular FormulaC4H4BClO2S
Molecular Weight162.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chlorothiophene-2-boronic acid CAS 1133931-02-8 chemical structure

Description

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 4-Chlorothiophene-2-boronic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 162.40 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

4-Chlorothiophene-2-boronic acid (CAS 1133931-02-8), molecular formula C4H4BClO2S and molecular weight 162.40 g/mol, is a CATO reference standard with documented purity and traceability.

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 4-Chlorothiophene-2-boronic acid 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 FormulaC4H4BClO2S
Molecular Weight162.40 g/mol
Purity97%+
StorageStore at 2-8°C, 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)2.5
CAS Registry Year (est.)1989
Halogen ContentCl-containing
Sulfur Atoms1

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