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

2-(4-氨基苯基)-5-甲基-2,4-二氢-3H-吡唑-3-酮

Also known as: 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one, 1-(4-Aminophenyl)-3-methyl-5-pyrazolone, 1-(4-Aminophenyl)-3-methyl-2-pyrazolin-5-one, 2-Pyrazolin-5-one, 1-(p-aminophenyl)-3-methyl-, NSC 7562, [4-(4,5-Dihydro-3-methyl-5-oxopyrazol-1-yl)phenyl]amine, 1-(p-Aminophenyl)-3-methyl-5-pyrazolone, 2-(4-Aminophenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one

3H-Pyrazol-3-one, 2-(4-aminophenyl)-2,4-dihydro-5-methyl- (CAS 6402-08-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11N3O and a molecular weight of 189.21400 g/mol. It is also known as 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one, 1-(4-Aminophenyl)-3-methyl-5-pyrazolone and 1-(4-Aminophenyl)-3-methyl-2-pyrazolin-5-one. Key properties include a boiling point of 433ºC at 760 mmHg, a density of 1.3g/cm3 and a flash point of 215.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6402-08-0

Jingsj CID

J-1553724-7

Molecular Formula

C₁₀H₁₁N₃O

Chinese Name

2-(4-氨基苯基)-5-甲基-2,4-二氢-3H-吡唑-3-酮

Molecular Weight

189.21400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026