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

3-甲基-1-(3-硝基苯基)-5-吡唑酮

Also known as: 3-methyl-1-(3-nitrophenyl)-5-pyrazolone, 3-methyl-1-(3-nitrophenyl)-1H-pyrazol-5(4H)-one, 5-methyl-2-(3-nitrophenyl)-1H-pyrazol-3(2H)-one, 5-methyl-2-(3-nitrophenyl)-2,4-dihydropyrazol-3-one, 1-(3-nitrophenyl)-3-methyl-5-pyrazolone, 1-(3-nitro-phenyl)-3-methyl-1H-pyrazol-5(4H)-one, 2,4-dihydro-5-methyl-2-(3-nitrophenyl)-3H-pyrazol-3-one, 3-methyl-1-(3-nitrophenyl)-3-pyrazolin-5-one, 5-methyl-2-(3-nitro-phenyl)-1,2-dihydro-pyrazol-3-one, 5-methyl-2-(3-nitrophenyl)-4H-pyrazol-3-one, EINECS 204-302-5

5-Methyl-2-(3-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 119-16-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9N3O3 and a molecular weight of 219.19700 g/mol. It is also known as 3-methyl-1-(3-nitrophenyl)-5-pyrazolone, 3-methyl-1-(3-nitrophenyl)-1H-pyrazol-5(4H)-one and 5-methyl-2-(3-nitrophenyl)-1H-pyrazol-3(2H)-one. Key properties include a boiling point of 426.7ºC at 760mmHg, a density of 1.42g/cm3 and a flash point of 211.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

119-16-4

Jingsj CID

J-38147-3

Molecular Formula

C₁₀H₉N₃O₃

Chinese Name

3-甲基-1-(3-硝基苯基)-5-吡唑酮

Molecular Weight

219.19700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026