2-(Thiophen-2-yl)ethane-1-sulfonamide CAS 257889-66-0
| CAS No. | 257889-66-0 |
| Molecular Formula | C6H9NO2S2 |
| Molecular Weight | 191.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(Thiophen-2-yl)ethane-1-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.
2-(Thiophen-2-yl)ethane-1-sulfonamide (CAS 257889-66-0) is a high-purity analytical reference standard with the molecular formula C6H9NO2S2 and a molecular weight of 191.27 g/mol.
Based on its molecular formula C6H9NO2S2, 2-(Thiophen-2-yl)ethane-1-sulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 191.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H9NO2S2 |
| Molecular Weight | 191.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Thiophen Standards
- N-(thiophen-3-ylmethyl)methanesulfonamide (CAS 1207045-44-0)
- 2-(Thiophen-2-ylsulfonyl)ethan-1-amine (CAS 771580-27-9)
- 2-(Thiophen-3-yl)ethane-1-sulfonamide (CAS 257889-67-1)
- N-(thiophen-2-ylmethyl)methanesulfonamide (CAS 339018-33-6)
- 6-Methyl-2-(thiophen-3-yl)pyrimidin-4-amine (CAS 1159819-57-4)
- (2-(Thiophen-3-yl)pyrimidin-4-yl)methanamine (CAS 1339171-76-4)
- (2-(Thiophen-2-yl)pyrimidin-4-yl)methanamine (CAS 1343069-92-0)
- (3-(Thiophen-2-yl)pyrazin-2-yl)methanamine (CAS 1368469-28-6)
Recommended Standards
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- 3-(3-Chlorophenyl)-4-(methylsulfonyl)-1H-pyrazole (CAS 1447960-45-3)
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