5-(4-Chlorophenyl)-2,4-dihydro-3H-pyrazol-3-one

5-(4-氯苯基)-2,4-二氢-3H-吡唑-3-酮

Also known as: 3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazol-5-one, 3H-Pyrazol-3-one, 5-(4-chlorophenyl)-2,4-dihydro-, 5-(4-Chloro-phenyl)-2,4-dihydro-pyrazol-3-one, 5-(4-Chlorophenyl)-2,4-dihydro-3H-pyrazol-3-one, 5-(4-CHLOROPHENYL)-2,4-DIHYDRO-3H-PYRAZOL-3-ONE, AKOS USSH-0099

5-(4-Chlorophenyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 59719-19-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7ClN2O and a molecular weight of 194.61800 g/mol. It is also known as 3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazol-5-one, 3H-Pyrazol-3-one, 5-(4-chlorophenyl)-2,4-dihydro- and 5-(4-Chloro-phenyl)-2,4-dihydro-pyrazol-3-one. Key properties include a boiling point of 458.8ºC at 760 mmHg, a density of 1.344g/cm3 and a flash point of 231.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

59719-19-6

Jingsj CID

J-1178939-8

Molecular Formula

C₉H₇ClN₂O

Chinese Name

5-(4-氯苯基)-2,4-二氢-3H-吡唑-3-酮

Molecular Weight

194.61800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026