5-chloro-6-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)toluene-3-sulphonic acid

5-氯-6-(4,5-二氢-3-甲基-5-氧代-1H-吡唑-1-基)甲苯-3-磺酸

Also known as: 1-(2-Chloro-6-methyl-4-sulfophenyl)-3-methyl-2-pyrazolin-5-one, 1-(6-Chloro-2-methyl-4-sulfophenyl)-3-methyl-2-pyrazolin-5-one, 3-Chloro-5-methyl-4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid, 3-Chloro-5-methyl-4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid, 3-Chloro-4-(4,5-dihydro-3-methyl-5-oxopyrazol-1-yl)-5-methylbenzenesulfonic acid, 3-chloro-4-(5-keto-3-methyl-4H-pyrazol-1-yl)-5-methyl-benzenesulfonic acid, EINECS 228-991-7, V1259

5-chloro-6-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)toluene-3-sulphonic acid (CAS 6387-17-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11ClN2O4S and a molecular weight of 302.73400 g/mol. It is also known as 1-(2-Chloro-6-methyl-4-sulfophenyl)-3-methyl-2-pyrazolin-5-one, 1-(6-Chloro-2-methyl-4-sulfophenyl)-3-methyl-2-pyrazolin-5-one and 3-Chloro-5-methyl-4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid. Key property: a density of 1.58 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6387-17-3

Jingsj CID

J-1506793-1

Molecular Formula

C₁₁H₁₁ClN₂O₄S

Chinese Name

5-氯-6-(4,5-二氢-3-甲基-5-氧代-1H-吡唑-1-基)甲苯-3-磺酸

Molecular Weight

302.73400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026