4-Bromo-7-fluorobenzo[b]thiophene CAS 360576-07-4
| CAS No. | 360576-07-4 |
| Molecular Formula | C8H4BrFS |
| Molecular Weight | 231.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 231.08 g/mol gives 4-Bromo-7-fluorobenzo[b]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Bromo-7-fluorobenzo[b]thiophene (CAS 360576-07-4) is a high-purity analytical reference standard with the molecular formula C8H4BrFS and a molecular weight of 231.08 g/mol.
Owing to sulfur-containing functionality, fluorine/bromine substitution, an aromatic ring system, 4-Bromo-7-fluorobenzo[b]thiophene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 231.08 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.
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-Bromo-7-fluorobenzo[b]thiophene 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 | C8H4BrFS |
| Molecular Weight | 231.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-5-fluorobenzo[b]thiophene (CAS 138993-21-2)
- 6-Bromo-5-fluorobenzo[b]thiophene (CAS 1404119-50-1)
- 6-bromo-7-fluoro-benzothiophene (CAS 1427437-51-1)
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- 4-bromo-5-fluoro-1-benzothiophene (CAS 826995-66-8)
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- 1-(Thiophen-2-yl)-3-((2-(thiophen-3-yl)pyridin-3-yl)methyl)urea (CAS 2034268-88-5)
- 5-Cyano-2-hydroxyphenylboronic Acid (CAS 1256355-57-3)
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- 2-((2-Chloro-4-fluorobenzyl)oxy)-1-naphthaldehyde (CAS 1427021-72-4)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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