2-Bromo-5-chloro-3-methylbenzo[b]thiophene CAS 175203-60-8
| CAS No. | 175203-60-8 |
| Molecular Formula | C9H6BrClS |
| Molecular Weight | 261.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-Bromo-5-chloro-3-methylbenzo[b]thiophene 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.
CATO supplies 2-Bromo-5-chloro-3-methylbenzo[b]thiophene (CAS 175203-60-8), a certified reference material (molecular formula C9H6BrClS, MW 261.57 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H6BrClS, 2-Bromo-5-chloro-3-methylbenzo[b]thiophene contains sulfur-containing functionality, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 261.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C9H6BrClS |
| Molecular Weight | 261.57 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.) | 2007 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 6-Bromo-2-(chloromethyl)benzo[b]thiophene (CAS 1093252-30-2)
- 5-Bromo-2-(chloromethyl)benzo[b]thiophene (CAS 50638-17-0)
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Recommended Standards
- 3-(Bromomethyl)-5-chlorobenzo[b]thiophene (CAS 1198-51-2)
- 4-Cyano-6-(difluoromethyl)-5-nitronicotinoyl chloride (CAS 1805185-05-0)
- 4-Cyano-6-(difluoromethyl)-5-nitropicolinoyl chloride (CAS 1805489-36-4)
- 2-(Bromomethyl)-7-chlorobenzo[b]thiophene (CAS 102246-40-2)
- 6-Bromo-4-iodoquinazoline (CAS 1093819-23-8)
- N-(4-isopropylphenyl)-2-mercaptoacetamide (CAS 496037-69-5)
- n-(Cyclopropylmethyl)-4-(trifluoromethyl)aniline (CAS 887590-10-5)
- 2-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)-5-((pyridin-2-ylmethyl)thio)-1,3,4-oxadiazole (CAS 1170600-77-7)
- 5-(Propan-2-yl)-1,2,4-thiadiazol-3-amine (CAS 57083-87-1)
- 4-(Ethylamino)quinazoline-2-thiol (CAS 147408-62-6)
- Atrasentan Impurity 104 (CAS 1059052-11-7)
- 1-(4-(4-Fluorophenyl)piperazin-1-yl)-3-(p-tolylthio)propan-2-ol (CAS 338421-83-3)
- 2-Chloromethyl-7-methoxybenzo[d]thiazole, 97% (CAS 1188026-26-7)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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