3-Amino-1-(4-chlorophenyl)-1H-pyrazol-5(4H)-one

3-氨基-1-(4-氯苯基)-1H-吡唑-5(4H)-酮

Also known as: 5-AMINO-2-(4-CHLORO-PHENYL)-2,4-DIHYDRO-PYRAZOL-3-ONE, 5-amino-2-(4-chlorophenyl)-4H-pyrazol-3-one, 5-amino-2-(4-chloro-phenyl)-1,2-dihydro-pyrazol-3-one, 1-(4-Chlorphenyl)-3-aminopyrazolin-5-on, 3-amino-1-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-5-one

3-Amino-1-(4-chlorophenyl)-1H-pyrazol-5(4H)-one (CAS 10050-12-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8ClN3O and a molecular weight of 209.63200 g/mol. It is also known as 5-AMINO-2-(4-CHLORO-PHENYL)-2,4-DIHYDRO-PYRAZOL-3-ONE, 5-amino-2-(4-chlorophenyl)-4H-pyrazol-3-one and 5-amino-2-(4-chloro-phenyl)-1,2-dihydro-pyrazol-3-one. Key properties include a boiling point of 362.8ºC at 760mmHg, a density of 1.5g/cm3 and a flash point of 173.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

10050-12-1

Jingsj CID

J-1360786-1

Molecular Formula

C₉H₈ClN₃O

Chinese Name

3-氨基-1-(4-氯苯基)-1H-吡唑-5(4H)-酮

Molecular Weight

209.63200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026