2-Bromo-6-chlorobenzo[b]thiophene CAS 1322718-91-1
| CAS No. | 1322718-91-1 |
| Molecular Formula | C8H4BrClS |
| Molecular Weight | 247.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 247.54 g/mol gives 2-Bromo-6-chlorobenzo[b]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-6-chlorobenzo[b]thiophene (CAS 1322718-91-1), molecular formula C8H4BrClS and molecular weight 247.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H4BrClS, 2-Bromo-6-chlorobenzo[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 247.54 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H4BrClS |
| Molecular Weight | 247.54 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.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-7-chlorobenzo[b]thiophene (CAS 1782669-70-8)
- 2-Bromo-5-chlorobenzo[b]thiophene (CAS 227802-38-2)
- 3-Bromo-5-chloro-1-benzothiophene (CAS 32969-26-9)
- 3-Bromo-6-chlorobenzo[b]thiophene (CAS 66490-22-0)
- 5-Bromo-7-chlorobenzo[b]thiophene (CAS 439083-15-5)
- (5-Bromo-2-methylphenyl)acetyl chloride (CAS 1031387-31-1)
- 1-Bromo-3-(4-chlorophenyl)propan-2-one (CAS 103557-35-3)
- 5-Bromo-4-chloro-6-cyclopropyl-2-methylpyrimidine (CAS 1044768-56-0)
Recommended Standards
- Etridiazole (CAS 2593-15-9)
- 2,2,2-Trichloro-1-(thiazol-2-ylamino)ethan-1-ol (CAS 35317-79-4)
- 4＇-Bromo-3-chloropropiophenone (CAS 31736-73-9)
- Bupropion USP Related Compound G (CAS 34911-51-8)
- 2,2'-Dimethyl-1,1'-bianthracene (CAS 62817-78-1)
- O6-Ethyl-2-deoxyguanosine (CAS 50704-46-6)
- 1-(3,3-Dimethylcyclohexyl)ethan-1-amine (CAS 1517455-82-1)
- 4-(3-Cyanopropoxy)benzonitrile (CAS 1016732-57-2)
- 7-Chloro-5-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 926230-79-7)
- tert-Butyl N-[2-oxo-2-(piperazin-1-yl)ethyl]carbamate (CAS 525587-00-2)
- 2-[(4-acetyl-2-methoxyphenyl)sulfanyl]acetic acid (CAS 1221724-93-1)
- 4-Methoxy-3-methylpyridin-2-amine (CAS 1227581-87-4)
- (R)-3-(6-(2-((2,6-dichlorobenzyl)oxy)ethoxy)hexyl)-5-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)oxazolidin-2-one (CAS 503068-36-8)
- Allo-Thr5-Tirzepatide (CAS CATO-CPTD788934)
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