2-Chlorothiophene-3-sulfonamide CAS 1773488-28-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1773488-28-0 |
| Molecular Formula | C4H4ClNO2S2 |
| Molecular Weight | 197.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chlorothiophene-3-sulfonamide (CAS 1773488-28-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4ClNO2S2. Molecular weight: 197.66 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4ClNO2S2 |
| Molecular Weight | 197.66 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.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Chlorothiophene Standards
- 3-chlorothiophene-2-sulfonamide (CAS 850340-85-1)
- 4-Chlorothiophene-2-sulfonamide (CAS 519055-68-6)
- 5-Chlorothiophene-2-sulfonamide (CAS 53595-66-7)
- 5-Chlorothiophene-3-sulfonamide (CAS 887571-42-8)
- ethyl 5-chlorothiophene-3-carboxylate (CAS 189331-32-6)
- 3-Acetyl-5-chlorothiophene-2-boronic acid (CAS 1451390-79-6)
- Ethyl 2-chlorothiophene-3-carboxylate (CAS 1214379-28-8)
- Ethyl 3-chlorothiophene-2-carboxylate (CAS 153562-66-4)
Recommended Standards
- 2-CHLORO-N-(3,5-DIMETHYLPHENYL)ACETAMIDE (CAS 174700-38-0)
- (S)-2-(4-Chlorophenyl)morpholine (CAS 1820574-65-9)
- 3-Chloro-N-isopropylbenzamide (CAS 17271-15-7)
- 1-(2-furanyl)-2-(hexahydro-1H-azepin-2-yl)-Ethanone, hydrochloride (1:1) (CAS 1384702-33-3)
- 2-((2-(Pyridin-2-yl)ethyl)thio)propanoic acid (CAS 355808-93-4)
- (8R,9S,10S,13S,14S,17S)-17-hydroxy-10-(hydroxymethyl)-13-methyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one (CAS 2126-37-6)
- 1-(4-Chlorophenyl)-5-methyl-1H-pyrazole-4-carbaldehyde (CAS 508180-93-6)
- (3-(2-Chlorophenyl)-5-methylisoxazol-4-yl)(6-methyl-3,4-dihydroquinolin-1(2H)-yl)methanone (CAS 1024388-13-3)
- 2-[3-(1h-1,2,3,4-tetrazol-1-yl)phenoxy]acetic acid (CAS 462067-31-8)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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