4,4'-Bis[3-carboxy-5-oxo-1-(4-sulfophenyl)-2-pyrazolin-4-yl]trimethine oxonol dipotassium salt

4,4'-双[3-羧基-5-氧代-1-(4-磺苯基)-2-吡唑啉-4-基]三甲川氧杂菁二钾盐

Also known as: Tetrapotassium (4E)-4-[(Z)-3-[5-carboxylato-3-oxo-2-(4-sulfonatophenyl)-1H-pyrazol-4-yl]prop-2-enylidene]-5-oxo-1-(4-sulfonatophenyl)pyrazole-3-carboxylate, 1H-Pyrazole-3-carboxylic acid, 4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]allylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, dipotassium salt, 1H-Pyrazole-3-carboxylic acid, 4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]-2-propenylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, dipotassium salt, 4,4'-Bis[1-(4-sulfophenyl)-3-carboxy-2-pyrazoline-5-one]trimethine oxonol, bis[3-carboxy-1-(4'-sulfophenyl)-2-pyrazolin-5-on-4-yl]trimethine oxonol, C.I. Food Yellow 3 (alkali metal salt)

4,4'-Bis[3-carboxy-5-oxo-1-(4-sulfophenyl)-2-pyrazolin-4-yl]trimethine oxonol dipotassium salt (CAS 66096-14-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C23H11N4Na4O12S2- and a molecular weight of 691.44200 g/mol. It is also known as Tetrapotassium (4E)-4-[(Z)-3-[5-carboxylato-3-oxo-2-(4-sulfonatophenyl)-1H-pyrazol-4-yl]prop-2-enylidene]-5-oxo-1-(4-sulfonatophenyl)pyrazole-3-carboxylate, 1H-Pyrazole-3-carboxylic acid, 4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]allylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, dipotassium salt and 1H-Pyrazole-3-carboxylic acid, 4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]-2-propenylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, dipotassium salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

66096-14-8

Jingsj CID

J-34718-3

Molecular Formula

C₂₃H₁₁N₄Na₄O₁₂S₂

Chinese Name

4,4'-双[3-羧基-5-氧代-1-(4-磺苯基)-2-吡唑啉-4-基]三甲川氧杂菁二钾盐

Molecular Weight

691.44200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026