2-(2-Bromoethyl)-2,3-dihydro-1,2-benzothiazole-1,1,3-trione CAS 7248-71-7
| CAS No. | 7248-71-7 |
| Molecular Formula | C9H8BrNO3S |
| Molecular Weight | 290.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H8BrNO3S, 2-(2-Bromoethyl)-2,3-dihydro-1,2-benzothiazole-1,1,3-trione contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 290.13 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.
2-(2-Bromoethyl)-2,3-dihydro-1,2-benzothiazole-1,1,3-trione (CAS 7248-71-7) is a high-purity analytical reference standard with the molecular formula C9H8BrNO3S and a molecular weight of 290.13 g/mol.
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 | C9H8BrNO3S |
| Molecular Weight | 290.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- Apremilast impurity 91 HCl (CAS 311310-97-1)
- 2-(2-Chlorophenyl)-2-oxoacetaldehyde (CAS 27993-71-1)
- 4-(3-Methylbutoxy)benzene-1-sulfonyl chloride (CAS 1141-91-9)
- 9-(4-fluorobenzylidene)-2,4,5,7-tetranitro-9H-fluorene (CAS 253605-81-1)
- 4-Isopropyl-N-(2-methoxyethyl)cyclohexan-1-amine (CAS 1343137-76-7)
- 1-Cyclobutylprop-2-en-1-one (CAS 75040-32-3)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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