3-Bromo-2-methylbenzo[b]thiophene CAS 10243-15-9
| CAS No. | 10243-15-9 |
| Molecular Formula | C9H7BrS |
| Molecular Weight | 227.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Bromo-2-methylbenzo[b]thiophene (CAS 10243-15-9), a certified reference material (molecular formula C9H7BrS, MW 227.12 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7BrS, 3-Bromo-2-methylbenzo[b]thiophene contains sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 227.12 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), 3-Bromo-2-methylbenzo[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 | C9H7BrS |
| Molecular Weight | 227.12 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.) | 1959 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-methylbenzo[b]thiophene (CAS 111860-00-5)
- 5-Bromo-3-methylbenzo[b]thiophene (CAS 1196-09-4)
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- 5-Bromo-7-methylbenzo[b]thiophene (CAS 19076-18-7)
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- 1-bromo-4-(prop-1-yn-1-ylsulfanyl)benzene (CAS 85143-29-9)
- 2-Bromo-3-methylbenzo[b]thiophene (CAS 5381-23-7)
Recommended Standards
- 2-(Bromomethyl)benzo[b]thiophene (CAS 10133-20-7)
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- 3-(Bromomethyl)-1lambda6-thiane-1,1-dione (CAS 1227465-51-1)
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- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com