1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid

4,5-二氢-α-羟甲基-α,3-二甲基-5-氧代-1-苯基-1H-吡唑-4-甲磺酸

Also known as: 4,5-Dihydro-alpha-(hydroxymethyl)-alpha,3-dimethyl-5-oxo-1-phenyl-1H-pyrazole-4-methanesulfonic acid, 1H-Pyrazole-4-methanesulfonic acid, 4,5-dihydro-α-(hydroxymethyl)-α,3-dimethyl-5-oxo-1-phenyl-, Edaravone Impurity 6, Edaravone Impurity 7, Edaravone Impurity G, Edaravone Impurity P4, MFCD28404677

1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid (CAS 1242471-40-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H16N2O5S and a molecular weight of 312.341 g/mol. It is also known as 4,5-Dihydro-alpha-(hydroxymethyl)-alpha,3-dimethyl-5-oxo-1-phenyl-1H-pyrazole-4-methanesulfonic acid, 1H-Pyrazole-4-methanesulfonic acid, 4,5-dihydro-α-(hydroxymethyl)-α,3-dimethyl-5-oxo-1-phenyl- and Edaravone Impurity 6. Key property: a density of 1.44±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1242471-40-4

Jingsj CID

J-1934360-6

Molecular Formula

C₁₃H₁₆N₂O₅S

Chinese Name

4,5-二氢-α-羟甲基-α,3-二甲基-5-氧代-1-苯基-1H-吡唑-4-甲磺酸

Molecular Weight

312.341 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026