2,5-dichloro-4-[4-[[3-[ethyl(phenyl)sulfamoyl]-4-methylphenyl]diazenyl]-3-methyl-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid

2,5-二氯-4-[4-[[3-[(乙基苯基氨基)磺酰基]-4-甲基苯基]偶氮]-4,5-二氢-3-甲基-5-氧-1H-吡唑-1-基]苯磺酸

Also known as: Benzenesulfonic acid, 2,5-dichloro-4-(4-((3-((ethylphenylamino)sulfonyl)-4-methylphenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl), EINECS 254-963-9

2,5-dichloro-4-[4-[[3-[ethyl(phenyl)sulfamoyl]-4-methylphenyl]diazenyl]-3-methyl-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid (CAS 40537-81-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C25H23Cl2N5O6S2 and a molecular weight of 624.51600 g/mol. It is also known as Benzenesulfonic acid, 2,5-dichloro-4-(4-((3-((ethylphenylamino)sulfonyl)-4-methylphenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl) and EINECS 254-963-9. Key property: a density of 1.55g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40537-81-3

Jingsj CID

J-1088415-7

Molecular Formula

C₂₅H₂₃Cl₂N₅O₆S₂

Chinese Name

2,5-二氯-4-[4-[[3-[(乙基苯基氨基)磺酰基]-4-甲基苯基]偶氮]-4,5-二氢-3-甲基-5-氧-1H-吡唑-1-基]苯磺酸

Molecular Weight

624.51600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026