4-Chloropyridine-2-Sulfonamide CAS 57724-91-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 57724-91-1 |
| Molecular Formula | C5H5ClN2O2S |
| Molecular Weight | 192.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloropyridine-2-Sulfonamide (CAS 57724-91-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5ClN2O2S. Molecular weight: 192.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O2S |
| Molecular Weight | 192.62 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloropyridine Standards
- 5-Chloropyridine-3-sulfonamide (CAS 1334148-60-5)
- 6-chloropyridine-2-sulfonamide (CAS 1823272-65-6)
- 5-Chloropyridine-2-sulfonamide (CAS 19506-41-3)
- 3-Chloropyridine-2-sulfonamide (CAS 96009-29-9)
- 4-Chloropyridine-3-sulfonamide hydrochloride (CAS 777854-85-0)
- 4-Chloropyridine-3-sulfonamide (CAS 33263-43-3)
- 2-Chloropyridine-4-sulfonic acid (CAS 1209458-81-0)
- 6-Chloropyridine-2-sulfonic acid (CAS 133145-15-0)
Recommended Standards
- 4-Chloro-6-(methylsulfonyl)pyrimidine (CAS 89283-46-5)
- 4-Chloro-2-(methylsulfonyl)pyrimidine (CAS 97229-11-3)
- 4-hydroxy benzene-1-sulfonyl chloride (CAS 4025-67-6)
- 4-[(3-Ethoxypropyl)amino]-3-nitrobenzoic acid (CAS 1019452-53-9)
- 3-azabicyclo[3.1.1]heptan-1-amine;dihydrochloride (CAS 220593-83-9)
- Neostigmine Impurity 24 (CAS 15799-79-8)
- 1-Bromo-3-methoxynaphthalen-2-ol (CAS 404965-07-7)
- Gallium triiodide (CAS 13450-91-4)
- 5,7-diiodoimidazo[5,1-b]thiazole (CAS 208722-50-3)
- Insulin aspart (CAS 116094-23-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com