4-Chloropyridine-3-sulfonamide CAS 33263-43-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 33263-43-3 |
| Molecular Formula | C5H5ClN2O2S |
| Molecular Weight | 192.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Chloropyridine-3-sulfonamide (CAS 33263-43-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H5ClN2O2S. Molecular weight: 192.62 g/mol. COA included with every batch.
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.) | 1966 |
| 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-2-Sulfonamide (CAS 57724-91-1)
- 4-Chloropyridine-3-sulfonamide hydrochloride (CAS 777854-85-0)
- 2-Chloropyridine-4-sulfonic acid (CAS 1209458-81-0)
- 6-Chloropyridine-2-sulfonic acid (CAS 133145-15-0)
Recommended Standards
- Methyl 4-chloro-3-hydroxythiophene-2-carboxylate (CAS 65449-59-4)
- Torasemide Impurity 29 (CAS CATO-C4X-183629)
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- 2,2-Dimethyl-2-fluorobutyrophenone (CAS 898765-76-9)
- (4-(Aminomethyl)piperidin-1-yl)(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methanone hydrochloride (CAS 1353980-89-8)
- 1-[2-(Decyloxy)-2-oxoethyl]-3-methyl-2-(phenoxy-methyl)-1H-1,3-benzodiazol-3-ium chloride (CAS 299923-71-0)
- 6-Chloro-N-(2-methoxybenzyl)-4-(methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxamide (CAS 866142-56-5)
- tert-Butyl 3-hydroxy-2-oxopyrrolidine-1-carboxylate (CAS 857501-39-4)
- 2,4,6-Trichloroquinazoline (CAS 20028-68-6)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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