potassium 4-[4-[[4-(dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonate

4-[4-[[4-(二甲基氨基)苯基]亚甲基]-4,5-二氢-3-甲基-5-氧代-1H-吡唑-1-基]苯磺酸钾

Also known as: 4-(p-Dimethylaminobenzylidene)-3-methyl-1-(4-potassiosulfophenyl)-2-pyrazolin-5-one, Potassium 4-[4-[[4-(dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonate, Acid Yellow 36 potassium salt

potassium 4-[4-[[4-(dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonate (CAS 27268-31-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H18KN3O4S and a molecular weight of 423.52700 g/mol. It is also known as 4-(p-Dimethylaminobenzylidene)-3-methyl-1-(4-potassiosulfophenyl)-2-pyrazolin-5-one, Potassium 4-[4-[[4-(dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonate and Acid Yellow 36 potassium salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

27268-31-1

Jingsj CID

J-1801438-5

Molecular Formula

C₁₉H₁₈KN₃O₄S

Chinese Name

4-[4-[[4-(二甲基氨基)苯基]亚甲基]-4,5-二氢-3-甲基-5-氧代-1H-吡唑-1-基]苯磺酸钾

Molecular Weight

423.52700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026