4-Bromothiophene-3-carbonyl chloride CAS 72899-51-5
| CAS No. | 72899-51-5 |
| Molecular Formula | C5H2BrClOS |
| Molecular Weight | 225.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Bromothiophene-3-carbonyl chloride (CAS 72899-51-5), a certified reference material (molecular formula C5H2BrClOS, MW 225.49 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H2BrClOS, 4-Bromothiophene-3-carbonyl chloride contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 225.49 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.
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), 4-Bromothiophene-3-carbonyl chloride 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 Formula | C5H2BrClOS |
| Molecular Weight | 225.49 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromothiophene Standards
- 2-Bromothiophene-3-carbonyl chloride (CAS 197370-13-1)
- 3-Bromothiophene-2-carbonylchloride (CAS 25796-68-3)
- 5-Bromothiophene-2-carbonyl Chloride (CAS 31555-60-9)
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Recommended Standards
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Why CATO?
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