4-(1H-pyrazol-1-yl)benzene-1-sulfonyl chloride

4-(1H-吡唑-1-基)苯磺酰氯

Also known as: 4-(1H-pyrazol-1-yl)benzenesulfonyl chloride, 4-(1-pyrazolyl)benzenesulfonyl chloride, 1-[4-(chlorosulfonyl)phenyl]-1H-pyrazole, 4-(1H-pyrazol-1-yl)benzenesulphonyl chloride, 4-pyrazol-1-ylbenzenesulfonyl chloride, benzenesulfonyl chloride, 4-(1H-pyrazol-1-yl)-

4-(1H-pyrazol-1-yl)benzene-1-sulfonyl chloride (CAS 18336-39-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7ClN2O2S and a molecular weight of 242.68200 g/mol. It is also known as 4-(1H-pyrazol-1-yl)benzenesulfonyl chloride, 4-(1-pyrazolyl)benzenesulfonyl chloride and 1-[4-(chlorosulfonyl)phenyl]-1H-pyrazole. Key properties include a melting point of 109ºC, a boiling point of 360.2ºC at 760mmHg, a density of 1.46g/cm3 and a flash point of 171.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

18336-39-5

Jingsj CID

J-1080818-6

Molecular Formula

C₉H₇ClN₂O₂S

Chinese Name

4-(1H-吡唑-1-基)苯磺酰氯

Molecular Weight

242.68200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026