2-(1H-1,2,3,4-Tetrazol-1-yl)ethane-1-sulfonamide CAS 1697255-05-2
| CAS No. | 1697255-05-2 |
| Molecular Formula | C3H7N5O2S |
| Molecular Weight | 177.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(1H-1,2,3,4-Tetrazol-1-yl)ethane-1-sulfonamide (CAS 1697255-05-2) is a high-purity analytical reference standard with the molecular formula C3H7N5O2S and a molecular weight of 177.18 g/mol.
Structurally, 2-(1H-1,2,3,4-Tetrazol-1-yl)ethane-1-sulfonamide (C3H7N5O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. 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 177.18 g/mol, it falls into the medium-molecular-weight range. 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.
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 | C3H7N5O2S |
| Molecular Weight | 177.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(3-Fluorophenyl)-1h-imidazol-2-amine (CAS 1690596-46-3)
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- N-(2,4-dimethoxybenzyl)-3-(1H-imidazol-1-yl)propan-1-amine (CAS 626209-25-4)
- 5-(4-Fluorophenyl)furan-2-carboxylic Acid (CAS 73269-32-6)
- Lifitegrast Impurity 117 (CAS CATO-C4X-2409117)
- Methyl 4-oxo-4H-chromene-3-carboxylate (CAS 93562-17-5)
- Acryloyl-L-proline (CAS 60460-30-2)
- 5,5-dicyclopropylimidazolidine-2,4-dione (CAS 7250-75-1)
- 4-Methylbiphenyl (CAS 644-08-6)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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