5-Bromo-N,N-dimethylthiophene-2-sulfonamide CAS 68848-50-0
| CAS No. | 68848-50-0 |
| Molecular Formula | C6H8BrNO2S2 |
| Molecular Weight | 270.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Bromo-N,N-dimethylthiophene-2-sulfonamide (CAS 68848-50-0), molecular formula C6H8BrNO2S2 and molecular weight 270.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Bromo-N,N-dimethylthiophene-2-sulfonamide (C6H8BrNO2S2) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 270.17 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 5-Bromo-N,N-dimethylthiophene-2-sulfonamide 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 | C6H8BrNO2S2 |
| Molecular Weight | 270.17 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 2-Methyl-6-[(methylsulfanyl)methyl]pyrimidin-4-ol (CAS 68087-18-3)
- Epiequisetin (CAS 255377-45-8)
- (6-(Dimethylamino)-4-fluoropyridin-3-yl)boronic acid (CAS 2225176-83-8)
- N2-Boc-N1-benzyl-1,2-ethylenediamine (CAS 174799-52-1)
- 1-(2-Ethylphenyl)-1H-pyrrole (CAS 299426-84-9)
- 1-(5-Bromo-2-methoxyphenyl)cyclopropanecarbonitrile (CAS 1260756-93-1)
- 3,5-Diheptyl-4H-1,2,4-triazol-4-amine (CAS 59944-53-5)
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