4-bromo-1-(4-chlorobenzyl)-1H-pyrazole-5-carbaldehyde

4-溴-1-(4-氯苄基)-1H-吡唑-5-甲醛

Also known as: 4-bromo-2-[(4-chlorophenyl)methyl]pyrazole-3-carbaldehyde, 1H-Pyrazole-5-carboxaldehyde, 4-bromo-1-[(4-chlorophenyl)methyl]-, 4-BROMO-1-(4-CHLOROBENZYL)-1H-PYRAZOLE-5-CARBOXALDEHYDE, or8036

4-bromo-1-(4-chlorobenzyl)-1H-pyrazole-5-carbaldehyde (CAS 289504-53-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8BrClN2O and a molecular weight of 299.55100 g/mol. It is also known as 4-bromo-2-[(4-chlorophenyl)methyl]pyrazole-3-carbaldehyde, 1H-Pyrazole-5-carboxaldehyde, 4-bromo-1-[(4-chlorophenyl)methyl]- and 4-BROMO-1-(4-CHLOROBENZYL)-1H-PYRAZOLE-5-CARBOXALDEHYDE. Key properties include a melting point of 115-118ºC, a boiling point of 431.7ºC at 760 mmHg, a density of 1.59g/cm3 and a flash point of 214.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
289504-53-6
Jingsj CID
J-1102976-6
Molecular Formula
C11H8BrClN2O
Chinese Name
4-溴-1-(4-氯苄基)-1H-吡唑-5-甲醛
Molecular Weight
299.55100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115-118ºC
Boiling Point431.7ºC at 760 mmHg
Density1.59g/cm3
Flash Point214.9ºC

Frequently Asked Questions

What is the CAS number of 4-bromo-1-(4-chlorobenzyl)-1H-pyrazole-5-carbaldehyde?

The CAS number of 4-bromo-1-(4-chlorobenzyl)-1H-pyrazole-5-carbaldehyde is 289504-53-6.

What are the molecular formula and molecular weight of 4-bromo-1-(4-chlorobenzyl)-1H-pyrazole-5-carbaldehyde?

4-bromo-1-(4-chlorobenzyl)-1H-pyrazole-5-carbaldehyde has molecular formula C11H8BrClN2O and molecular weight 299.55100 g/mol.

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

Last updated:

How to cite: Jingsj. "4-bromo-1-(4-chlorobenzyl)-1H-pyrazole-5-carbaldehyde (CAS 289504-53-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1102976-6 (accessed 2026-10-24).

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