3-Formyl-1H-pyrazol-5-yl 4-methylbenzenesulfonate

4-甲基苯磺酸3-甲酰基-1H-吡唑-5-酯

3-Formyl-1H-pyrazol-5-yl 4-methylbenzenesulfonate (CAS 265643-73-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O4S and a molecular weight of 266.28 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 265643-73-0
Jingsj CID: J-757886-1
Molecular Formula: C₁₁H₁₀N₂O₄S
Chinese Name: 4-甲基苯磺酸3-甲酰基-1H-吡唑-5-酯
Molecular Weight: 266.28 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-Formyl-1H-pyrazol-5-yl 4-methylbenzenesulfonate?

The CAS number of 3-Formyl-1H-pyrazol-5-yl 4-methylbenzenesulfonate is 265643-73-0.

What are the molecular formula and molecular weight of 3-Formyl-1H-pyrazol-5-yl 4-methylbenzenesulfonate?

3-Formyl-1H-pyrazol-5-yl 4-methylbenzenesulfonate has molecular formula C11H10N2O4S and molecular weight 266.28 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. "3-Formyl-1H-pyrazol-5-yl 4-methylbenzenesulfonate (CAS 265643-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-757886-1 (accessed 2026-10-25).

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