2-(4-aminophenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one monohydrochloride

2-(4-氨基苯基)-5-甲基-2,4-二氢-3H-吡唑-3-酮盐酸盐

Also known as: 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one hydrochloride, 2-(4-aminophenyl)-5-methyl-4H-pyrazol-3-one,hydrochloride, 3H-pyrazol-3-one,2-(4-aminophenyl)-2,4-dihydro-5-methyl-, hydrochloride (1:1), 2-pyrazolin-5-one,1-(p-aminophenyl)-3-methyl-, monohydrochloride

2-(4-aminophenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one monohydrochloride (CAS 59994-27-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H12ClN3O and a molecular weight of 225.67500 g/mol. It is also known as 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one hydrochloride, 2-(4-aminophenyl)-5-methyl-4H-pyrazol-3-one,hydrochloride and 3H-pyrazol-3-one,2-(4-aminophenyl)-2,4-dihydro-5-methyl-, hydrochloride (1:1). Key properties include a boiling point of 433ºC at 760 mmHg and a flash point of 215.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

59994-27-3

Jingsj CID

J-1452890-9

Molecular Formula

C₁₀H₁₂ClN₃O

Chinese Name

2-(4-氨基苯基)-5-甲基-2,4-二氢-3H-吡唑-3-酮盐酸盐

Molecular Weight

225.67500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026