4-Bromo-1-(2-chloroethyl)-1H-pyrazole

4-溴-1-(2-氯乙基)-1H-吡唑

Also known as: 1H-Pyrazole, 4-bromo-1-(2-chloroethyl)-, 4-bromo-1-(2-chloroethyl)pyrazole

4-Bromo-1-(2-chloroethyl)-1H-pyrazole (CAS 663941-72-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6BrClN2 and a molecular weight of 209.47200 g/mol. It is also known as 1H-Pyrazole, 4-bromo-1-(2-chloroethyl)- and 4-bromo-1-(2-chloroethyl)pyrazole. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 663941-72-8
Jingsj CID: J-1522385-6
Molecular Formula: C₅H₆BrClN₂
Chinese Name: 4-溴-1-(2-氯乙基)-1H-吡唑
Molecular Weight: 209.47200 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-1-(2-chloroethyl)-1H-pyrazole?

The CAS number of 4-Bromo-1-(2-chloroethyl)-1H-pyrazole is 663941-72-8.

What are the molecular formula and molecular weight of 4-Bromo-1-(2-chloroethyl)-1H-pyrazole?

4-Bromo-1-(2-chloroethyl)-1H-pyrazole has molecular formula C5H6BrClN2 and molecular weight 209.47200 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-1-(2-chloroethyl)-1H-pyrazole (CAS 663941-72-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522385-6 (accessed 2026-10-25).

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