5-Bromo-2-chlorothiophene-3-sulfonyl chloride CAS 1423028-87-8
| CAS No. | 1423028-87-8 |
| Molecular Formula | C4HBrCl2O2S2 |
| Molecular Weight | 295.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 295.99 g/mol gives 5-Bromo-2-chlorothiophene-3-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-2-chlorothiophene-3-sulfonyl chloride (CAS 1423028-87-8) is a high-purity analytical reference standard with the molecular formula C4HBrCl2O2S2 and a molecular weight of 295.99 g/mol.
Structurally, 5-Bromo-2-chlorothiophene-3-sulfonyl chloride (C4HBrCl2O2S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 295.99 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 5-Bromo-2-chlorothiophene-3-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 | C4HBrCl2O2S2 |
| Molecular Weight | 295.99 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.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
Related Bromo Standards
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- 2-(3-Fluorophenyl)pyrrolidine (CAS 298690-72-9)
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