4-((3-((5-Chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl)amino)-2-methyl-5-sulphophenyl)azo)-4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid, potassium sodium salt

4-((3-((5-氯-6-甲基-2-(甲磺酰基)-4-嘧啶基)氨基)-2-甲基-5-磺基苯基)偶氮)-4,5-二氢-1-(2-甲基-4-磺基苯基)-5-氧代-1H-吡唑-3-羧酸,钾钠盐

Also known as: 1H-Pyrazole-3-carboxylicacid,4-[2-[3-[[5-chloro-6-methyl-2-(methylsulfonyl)-4-pyrimidinyl]amino]-2-methyl-5-sulfophenyl]diazenyl]-4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-,potassium sodium salt (1:?:?), 4-[[3-[[5-Chloro-6-methyl-2-(methylsulfonyl)-4-pyrimidinyl]amino]-2-methyl-5-sulfophenyl]azo]-4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid/potassium/sodium,(1:x:x) salt, Einecs 280-404-3

4-((3-((5-Chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl)amino)-2-methyl-5-sulphophenyl)azo)-4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid, potassium sodium salt (CAS 83399-91-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C24H22ClKN7NaO11S3+2 and a molecular weight of 778.2 g/mol. It is also known as 1H-Pyrazole-3-carboxylicacid,4-[2-[3-[[5-chloro-6-methyl-2-(methylsulfonyl)-4-pyrimidinyl]amino]-2-methyl-5-sulfophenyl]diazenyl]-4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-,potassium sodium salt (1:?:?), 4-[[3-[[5-Chloro-6-methyl-2-(methylsulfonyl)-4-pyrimidinyl]amino]-2-methyl-5-sulfophenyl]azo]-4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid/potassium/sodium,(1:x:x) salt and Einecs 280-404-3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
83399-91-1
Jingsj CID
J-151716-1
Molecular Formula
C24H22ClKN7NaO11S32
Chinese Name
4-((3-((5-氯-6-甲基-2-(甲磺酰基)-4-嘧啶基)氨基)-2-甲基-5-磺基苯基)偶氮)-4,5-二氢-1-(2-甲基-4-磺基苯基)-5-氧代-1H-吡唑-3-羧酸,钾钠盐
Molecular Weight
778.2 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-((3-((5-Chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl)amino)-2-methyl-5-sulphophenyl)azo)-4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid, potassium sodium salt?

The CAS number of 4-((3-((5-Chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl)amino)-2-methyl-5-sulphophenyl)azo)-4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid, potassium sodium salt is 83399-91-1.

What are the molecular formula and molecular weight of 4-((3-((5-Chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl)amino)-2-methyl-5-sulphophenyl)azo)-4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid, potassium sodium salt?

4-((3-((5-Chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl)amino)-2-methyl-5-sulphophenyl)azo)-4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid, potassium sodium salt has molecular formula C24H22ClKN7NaO11S3+2 and molecular weight 778.2 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

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How to cite: Jingsj. "4-((3-((5-Chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl)amino)-2-methyl-5-sulphophenyl)azo)-4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid, potassium sodium salt (CAS 83399-91-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-151716-1 (accessed 2026-10-26).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.