disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate

4,5-二氯-2-[[4,5-二氢-3-甲基-5-氧代-1-(3-磺酰氧基苯基)-1H-吡唑-4-基]偶氮]苯磺酸二钠

Also known as: 4,5-Dichloro-2-[[3-methyl-5-oxo-1-(3-sulfophenyl)-4,5-dihydro-1H-pyrazole-4-yl]azo]benzenesulfonic acid disodium salt, Benzenesulfonic acid, 4,5-dichloro-2-[(E)-2-[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2), Disodium,4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzene-sulphonate, Benzenesulfonic acid,4,5-dichloro-2-[2-[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-,sodium salt (1:2)

disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate (CAS 65212-76-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H10Cl2N4Na2O7S2 and a molecular weight of 551.28900 g/mol. It is also known as 4,5-Dichloro-2-[[3-methyl-5-oxo-1-(3-sulfophenyl)-4,5-dihydro-1H-pyrazole-4-yl]azo]benzenesulfonic acid disodium salt, Benzenesulfonic acid, 4,5-dichloro-2-[(E)-2-[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2) and Disodium,4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzene-sulphonate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

65212-76-2

Jingsj CID

J-1841221-9

Molecular Formula

C₁₆H₁₀Cl₂N₄Na₂O₇S₂

Chinese Name

4,5-二氯-2-[[4,5-二氢-3-甲基-5-氧代-1-(3-磺酰氧基苯基)-1H-吡唑-4-基]偶氮]苯磺酸二钠

Molecular Weight

551.28900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026