4-chloropyridine-3-sulfonyl chloride

4-氯吡啶-3-磺酰氯

Also known as: 3-Pyridinesulfonyl chloride, 4-chloro-, 4-chloro-3-pyridinesulfonyl chloride, 4-chloro-3-pyridinesulfonylchloride, 4-chloro-3-pyridine-sulfonyl-chloride, 4-chloropyridine-3-sulfonyl chloride, 4-chloropyridine-3-sulphonyl chloride, 4-chloro-3-chlorosulfonylpyridine, 4-chloro-1-pyridin-1-iumsulfonyl chloride, 4-chloropyridine-3-sulfonyl chloride in toluene

4-chloropyridine-3-sulfonyl chloride (CAS 33263-44-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl2NO2S and a molecular weight of 212.05400 g/mol. It is also known as 3-Pyridinesulfonyl chloride, 4-chloro-, 4-chloro-3-pyridinesulfonyl chloride and 4-chloro-3-pyridinesulfonylchloride. Key property: a density of 1.615±0.06 g/cm3 (20 ºC 760 Torr). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

33263-44-4

Jingsj CID

J-1498543-4

Molecular Formula

C₅H₃Cl₂NO₂S

Chinese Name

4-氯吡啶-3-磺酰氯

Molecular Weight

212.05400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026