4-[(4-chloro-2-nitrophenyl)azo]-2,4-dihydro-5-methyl-3H-pyrazol-3-one

4-[(4-氯-2-硝基苯基)偶氮]-2,4-二氢-5-甲基-3H-吡唑-3-酮

Also known as: 4-[2-(4-Chloro-2-nitrophenyl)diazenyl]-2,4-dihydro-5-methyl-3H-pyrazol-3-one, 3H-Pyrazol-3-one, 4-[(4-chloro-2-nitrophenyl)azo]-2,4-dihydro-5-methyl-, Pyrazol-3-ol, 4-[(4-chloro-2-nitrophenyl)azo]-5-methyl- (8CI), 4-(4-Chloro-2-nitrophenylazo)-3-methyl-2-pyrazolin-5-one, 4-[(4-chloro-2-nitrophenyl)diazenyl]-3-methyl-1,4-dihydropyrazol-5-one

4-[(4-chloro-2-nitrophenyl)azo]-2,4-dihydro-5-methyl-3H-pyrazol-3-one (CAS 14730-30-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8ClN5O3 and a molecular weight of 281.65500 g/mol. It is also known as 4-[2-(4-Chloro-2-nitrophenyl)diazenyl]-2,4-dihydro-5-methyl-3H-pyrazol-3-one, 3H-Pyrazol-3-one, 4-[(4-chloro-2-nitrophenyl)azo]-2,4-dihydro-5-methyl- and Pyrazol-3-ol, 4-[(4-chloro-2-nitrophenyl)azo]-5-methyl- (8CI). Key property: a density of 1.69g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

14730-30-4

Jingsj CID

J-1094259-0

Molecular Formula

C₁₀H₈ClN₅O₃

Chinese Name

4-[(4-氯-2-硝基苯基)偶氮]-2,4-二氢-5-甲基-3H-吡唑-3-酮

Molecular Weight

281.65500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026