N-methylthiophene-2-sulfonamide CAS 53442-30-1
| CAS No. | 53442-30-1 |
| Molecular Formula | C5H7NO2S2 |
| Molecular Weight | 177.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-methylthiophene-2-sulfonamide (CAS 53442-30-1), molecular formula C5H7NO2S2 and molecular weight 177.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H7NO2S2, N-methylthiophene-2-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 177.24 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.
As a certified reference material (CRM), N-methylthiophene-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 | C5H7NO2S2 |
| Molecular Weight | 177.24 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.) | 1972 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related N Standards
- 5-Methylthiophene-3-sulfonamide (CAS 1017264-52-6)
- 3-Methylthiophene-2-sulfonamide (CAS 81417-51-8)
- 5-Methylthiophene-2-sulfonamide (CAS 53595-69-0)
- 3-Methylthiophene-2-sulfonic acid (CAS 1159877-58-3)
- 4-ethyl-5-methylthiophene-3-carboxylic acid (CAS 884497-34-1)
- 5-ethyl-4-methylthiophene-2-carboxylic acid (CAS 40808-25-1)
- Ethyl 4-methylthiophene-2-carboxylate (CAS 14282-79-2)
- 4-Ethyl-5-methylthiophene-2-carboxylic acid (CAS 154828-65-6)
Recommended Standards
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- N-Phenylpivalamide (CAS 6625-74-7)
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- 4-[(tert-butoxy)carbonyl]-1,1-dioxo-1$l^{6}-thiane-4-carboxylic acid (CAS 2044773-02-4)
- 3-hydroxyoctanoic acid 88930-08-9 NE55733 (CAS 88930-08-9)
- 3-(Methanesulfonyloxy)propyl methanesulfonate (CAS 15886-84-7)
- Methyl (2S,4S)-4-[2-(tert-butyl)-4-methylphenoxy]-2-pyrrolidinecarboxylate hydrochloride (CAS 1354487-91-4)
- 3-(Quinoxalin-6-yl)propanoic acid (CAS 860476-88-6)
- n-Propyl Formate-d (CAS 61219-61-2)
- Tau Peptide (45-73) (Exon 2/Insert 1 Domain) trifluoroacetate salt (CAS 2022956-54-1)
Why CATO?
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