1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid

1-(2-氯-6-甲基-4-硫苯基)-5-氧代-4,5-二氢-1H-吡唑-3-羧酸

Also known as: 1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4H-pyrazole-3-carboxylic acid

1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 125437-42-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9ClN2O6S and a molecular weight of 332.71700 g/mol. It is also known as 1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4H-pyrazole-3-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 125437-42-5
Jingsj CID: J-1149499-7
Molecular Formula: C₁₁H₉ClN₂O₆S
Chinese Name: 1-(2-氯-6-甲基-4-硫苯基)-5-氧代-4,5-二氢-1H-吡唑-3-羧酸
Molecular Weight: 332.71700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid?

The CAS number of 1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid is 125437-42-5.

What are the molecular formula and molecular weight of 1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid?

1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid has molecular formula C11H9ClN2O6S and molecular weight 332.71700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(2-chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 125437-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1149499-7 (accessed 2026-10-25).

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