3-Bromothiophene-2-sulfonyl chloride CAS 170727-02-3
| CAS No. | 170727-02-3 |
| Molecular Formula | C4H2BrClO2S2 |
| Molecular Weight | 261.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Bromothiophene-2-sulfonyl chloride (CAS 170727-02-3) is a high-purity analytical reference standard with the molecular formula C4H2BrClO2S2 and a molecular weight of 261.54 g/mol.
Based on its molecular formula C4H2BrClO2S2, 3-Bromothiophene-2-sulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 261.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3-Bromothiophene-2-sulfonyl 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 Formula | C4H2BrClO2S2 |
| Molecular Weight | 261.54 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2005 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
Related Bromothiophene Standards
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