4-Chloro-3-pyridinesulfonamide
Also known as: 4-Chloro-3-pyridinesulphonamide, 4-Chloropyridine-3-sulfonamide, 4-Chloro-3-sulfamoylpyridine, 4-Chloropyridin-3-sulfonamide, 3-Pyridinesulfonamide, 4-chloro-, 4-CHLORO-3-PYRIDINESULFAMIDE, 4-CHLORO-3-PYRIDINESULFONAMIDE, 4-CHLOROPYRIDINE-3-SULFONAMIDE, 4-CHLOROPYRIDINE-3-SULPHONAMIDE
4-Chloro-3-pyridinesulfonamide (CAS 33263-43-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2O2S and a molecular weight of 192.623 g/mol. Key properties include a melting point of 150-155 °C, a boiling point of 380.4±52.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 183.9±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33263-43-3
- Jingsj CID
- J-38070-1
- Molecular Formula
- C5H5ClN2O2S
- Molecular Weight
- 192.623 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150-155 °C |
|---|---|
| Boiling Point | 380.4±52.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 183.9±30.7 °C |
| Exact Mass | 191.976028 |
| PSA | 81.43000 |
| LogP | -0.28 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.592 |
| Additional Property | soluble |
Customs & Trade Information
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
Frequently Asked Questions
What is the CAS number of 4-Chloro-3-pyridinesulfonamide?
The CAS number of 4-Chloro-3-pyridinesulfonamide is 33263-43-3.
What are the molecular formula and molecular weight of 4-Chloro-3-pyridinesulfonamide?
4-Chloro-3-pyridinesulfonamide has molecular formula C5H5ClN2O2S and molecular weight 192.623 g/mol.
What are the upstream and downstream products of 4-Chloro-3-pyridinesulfonamide?
For 4-Chloro-3-pyridinesulfonamide, Upstream Products: 4-chloropyridine-3-sulfonyl chloride, 4-Hydroxypyridine-3-sulfonic acid, 4-Hydroxypyridine; Downstream Products: Torasemide, 4-(3-Methylphenyl)amino-3-pyridinesulfonamide, 4-Amino-3-pyridinesulfonamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-3-pyridinesulfonamide (CAS 33263-43-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38070-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.