2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoic acid

2-[(4,5-二氢-3-甲基-5-氧代-1-苯基-1H-吡唑-4-基)偶氮]苯甲酸

Also known as: 1-Phenyl-3-methyl-4-(2-carboxyphenylazo)-1H-pyrazol-5(4H)-one, 2-((3-METHYL-5-OXO-1-PHENYL-4,5-DIHYDRO-1H-PYRAZOL-4-YL)DIAZENYL)BENZOIC ACID, 2-(3-Methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylazo)benzoic acid, 2-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]benzoic acid, Benzoic acid, 2-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-, einecs 220-785-5, 2-[(1E)-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazen-1-yl]benzoic acid

2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoic acid (CAS 2898-84-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H14N4O3 and a molecular weight of 322.31800 g/mol. It is also known as 1-Phenyl-3-methyl-4-(2-carboxyphenylazo)-1H-pyrazol-5(4H)-one, 2-((3-METHYL-5-OXO-1-PHENYL-4,5-DIHYDRO-1H-PYRAZOL-4-YL)DIAZENYL)BENZOIC ACID and 2-(3-Methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylazo)benzoic acid. Key properties include a boiling point of 564.6ºC at 760mmHg, a density of 1.36g/cm3 and a flash point of 295.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2898-84-2

Jingsj CID

J-1097350-5

Molecular Formula

C₁₇H₁₄N₄O₃

Chinese Name

2-[(4,5-二氢-3-甲基-5-氧代-1-苯基-1H-吡唑-4-基)偶氮]苯甲酸

Molecular Weight

322.31800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026