4-Bromo-5-methyl-1H-pyrazole-3-carbonyl chloride

4-溴-5-甲基-1H-吡唑-3-甲酰氯

4-Bromo-5-methyl-1H-pyrazole-3-carbonyl chloride (CAS 1858240-13-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4BrClN2O and a molecular weight of 223.45 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1858240-13-7
Jingsj CID: J-763585-4
Molecular Formula: C₅H₄BrClN₂O
Chinese Name: 4-溴-5-甲基-1H-吡唑-3-甲酰氯
Molecular Weight: 223.45 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-Bromo-5-methyl-1H-pyrazole-3-carbonyl chloride?

The CAS number of 4-Bromo-5-methyl-1H-pyrazole-3-carbonyl chloride is 1858240-13-7.

What are the molecular formula and molecular weight of 4-Bromo-5-methyl-1H-pyrazole-3-carbonyl chloride?

4-Bromo-5-methyl-1H-pyrazole-3-carbonyl chloride has molecular formula C5H4BrClN2O and molecular weight 223.45 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-Bromo-5-methyl-1H-pyrazole-3-carbonyl chloride (CAS 1858240-13-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-763585-4 (accessed 2026-10-23).

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