Sodium 5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate

3-羧基-1-(4-磺酸苯基)-5-吡唑啉酮钠盐

Also known as: 3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone sodium salt, 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid monosodium salt, 1-(4-Sodiosulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid, Sodium hydrogen 4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate, 5-Oxo-1-(4-sulfophenyl)-2-pyrazoline-3-carboxylic acid sodium salt, Carboxysulfophenylpyrazolone sodium salt, MFCD00059720

Sodium 5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate (CAS 52126-51-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7N2NaO6S and a molecular weight of 306.22700 g/mol. It is also known as 3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone sodium salt, 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid monosodium salt and 1-(4-Sodiosulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52126-51-9

Jingsj CID

J-30413-1

Molecular Formula

C₁₀H₇N₂NaO₆S

Chinese Name

3-羧基-1-(4-磺酸苯基)-5-吡唑啉酮钠盐

Molecular Weight

306.22700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026