Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[2-[4-methyl-3-[(phenylamino)sulfonyl]phenyl]diazenyl]-5-oxo-1H-pyrazol-1-yl]-

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

Also known as: p-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulphonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid, 4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-Benzenesulfonic acid, Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-, 4-(3-Methyl-4-{(E)-[4-methyl-3-(phenylsulfamoyl)phenyl]diazenyl}-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid, C.I. Acid Yellow 25

Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[2-[4-methyl-3-[(phenylamino)sulfonyl]phenyl]diazenyl]-5-oxo-1H-pyrazol-1-yl]- (CAS 25739-67-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C23H21N5O6S2 and a molecular weight of 527.57300 g/mol. It is also known as p-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulphonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid, 4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-Benzenesulfonic acid and Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-. Key property: a density of 1.5g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

25739-67-7

Jingsj CID

J-805959-6

Molecular Formula

C₂₃H₂₁N₅O₆S₂

Chinese Name

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

Molecular Weight

527.57300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026