5-Methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride

5-甲基-1-苯基-1H-吡唑-4-磺酰氯

Also known as: 1H-Pyrazole-4-sulfonyl chloride, 5-methyl-1-phenyl-, 1-Phenyl-5-methyl-1H-pyrazole-4-sulfonyl chloride, 4-(Chlorosulphonyl)-1-phenyl-1H-pyrazole, 5-Methyl-1-phenylpyrazole-4-sulfonyl chloride, 5-Methyl-1-phenyl-4-pyrazolesulfonyl chloride, 5-Methyl-1-phenyl-pyrazole-4-sulfonyl chloride

5-Methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride (CAS 342405-38-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9ClN2O2S and a molecular weight of 256.709 g/mol. It is also known as 1H-Pyrazole-4-sulfonyl chloride, 5-methyl-1-phenyl-, 1-Phenyl-5-methyl-1H-pyrazole-4-sulfonyl chloride and 4-(Chlorosulphonyl)-1-phenyl-1H-pyrazole. Key properties include a melting point of 57ºC, a boiling point of 388.8±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 189.0±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

342405-38-3

Jingsj CID

J-1524305-0

Molecular Formula

C₁₀H₉ClN₂O₂S

Chinese Name

5-甲基-1-苯基-1H-吡唑-4-磺酰氯

Molecular Weight

256.709 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026