4-Chloro-3-pyridinesulfonamide

4-氯吡啶-3-磺酰胺

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. It is also known as 4-Chloro-3-pyridinesulphonamide, 4-Chloropyridine-3-sulfonamide and 4-Chloro-3-sulfamoylpyridine. 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-38070-8
Molecular Formula
C5H5ClN2O2S
Chinese Name
4-氯吡啶-3-磺酰胺
Molecular Weight
192.623 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point150-155 °C
Boiling Point380.4±52.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point183.9±30.7 °C

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.

Data compiled from public chemical databases 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-38070-8 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.