5-chloro-2-[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]benzenesulfonic acid

5-氯-2-[[1-(2-氯苯基)-4,5-二氢-3-甲基-5-氧代-1H-吡唑-4-基]偶氮]苯磺酸

Also known as: Benzenesulfonic acid, 5-chloro-2-[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-, 5-chloro-2-[[1-(2-chlorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]diazenyl]benzenesulfonic acid, EINECS 253-163-7

5-chloro-2-[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]benzenesulfonic acid (CAS 36705-33-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H12Cl2N4O4S and a molecular weight of 427.26200 g/mol. It is also known as Benzenesulfonic acid, 5-chloro-2-[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-, 5-chloro-2-[[1-(2-chlorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]diazenyl]benzenesulfonic acid and EINECS 253-163-7. Key property: a density of 1.63g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

36705-33-6

Jingsj CID

J-1853491-1

Molecular Formula

C₁₆H₁₂Cl₂N₄O₄S

Chinese Name

5-氯-2-[[1-(2-氯苯基)-4,5-二氢-3-甲基-5-氧代-1H-吡唑-4-基]偶氮]苯磺酸

Molecular Weight

427.26200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026