1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone

1-(2,5-二氯-4-磺酸苯基)-3-甲基-5-吡唑酮

Also known as: 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone, Benzenesulfonic acid, 2,5-dichloro-4-(5-hydroxy-3-methyl-1H-pyrazol-1-yl)-, 2,5-Dichloro-4-(5-hydroxy-3-methyl-pyrazol-1-yl)-benzenesulfonic acid, MFCD00035706

1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone (CAS 108469-42-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8Cl2N2O4S and a molecular weight of 323.15300 g/mol. It is also known as Benzenesulfonic acid, 2,5-dichloro-4-(5-hydroxy-3-methyl-1H-pyrazol-1-yl)-, 2,5-Dichloro-4-(5-hydroxy-3-methyl-pyrazol-1-yl)-benzenesulfonic acid and MFCD00035706. Key properties include a melting point of 346ºC (dec.)(lit.) and a density of 1.74g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

108469-42-7

Jingsj CID

J-1057877-5

Molecular Formula

C₁₀H₈Cl₂N₂O₄S

Chinese Name

1-(2,5-二氯-4-磺酸苯基)-3-甲基-5-吡唑酮

Molecular Weight

323.15300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026