4-(1H-Pyrazol-1-yl)benzenesulfonic acid

4-(1H-吡唑-1-基)苯磺酸

Also known as: 4-(Pyrazol-1-yl)benzenesulfonic acid, 1-(4-Benzenesulfonic acid)pyrazole, Benzenesulfonic acid, 4-(1H-pyrazol-1-yl)-, 4-pyrazol-1-yl-benzenesulfonic acid

4-(1H-Pyrazol-1-yl)benzenesulfonic acid (CAS 18336-38-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O3S and a molecular weight of 224.23600 g/mol. It is also known as 4-(Pyrazol-1-yl)benzenesulfonic acid, 1-(4-Benzenesulfonic acid)pyrazole and Benzenesulfonic acid, 4-(1H-pyrazol-1-yl)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18336-38-4
Jingsj CID: J-1356905-9
Molecular Formula: C₉H₈N₂O₃S
Chinese Name: 4-(1H-吡唑-1-基)苯磺酸
Molecular Weight: 224.23600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-(1H-Pyrazol-1-yl)benzenesulfonic acid?

The CAS number of 4-(1H-Pyrazol-1-yl)benzenesulfonic acid is 18336-38-4.

What are the molecular formula and molecular weight of 4-(1H-Pyrazol-1-yl)benzenesulfonic acid?

4-(1H-Pyrazol-1-yl)benzenesulfonic acid has molecular formula C9H8N2O3S and molecular weight 224.23600 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. "4-(1H-Pyrazol-1-yl)benzenesulfonic acid (CAS 18336-38-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356905-9 (accessed 2026-10-22).

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