5-Bromo-1H-pyrazole-3-carbaldehyde

5-溴-1H-吡唑-3-甲醛

Also known as: 5-Bromo-1H-pyrazole-3-carbaldehyde, 5-Bromo-1H-pyrazole-3-carboxaldehyde, 1H-Pyrazole-3-carboxaldehyde, 5-bromo-, 3-bromo-1H-pyrazole-5-carbaldehyde, 5-BROMO-1H-PYRAZOLE-3-CARBALDEHYDE, rd-0214

5-Bromo-1H-pyrazole-3-carbaldehyde (CAS 518357-37-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3BrN2O and a molecular weight of 174.983 g/mol. It is also known as 5-Bromo-1H-pyrazole-3-carboxaldehyde, 1H-Pyrazole-3-carboxaldehyde, 5-bromo- and 3-bromo-1H-pyrazole-5-carbaldehyde. Key properties include a boiling point of 354.3±22.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 168.1±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
518357-37-4
Jingsj CID
J-1356544-8
Molecular Formula
C4H3BrN2O
Chinese Name
5-溴-1H-吡唑-3-甲醛
Molecular Weight
174.983 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point354.3±22.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point168.1±22.3 °C

Frequently Asked Questions

What is the CAS number of 5-Bromo-1H-pyrazole-3-carbaldehyde?

The CAS number of 5-Bromo-1H-pyrazole-3-carbaldehyde is 518357-37-4.

What are the molecular formula and molecular weight of 5-Bromo-1H-pyrazole-3-carbaldehyde?

5-Bromo-1H-pyrazole-3-carbaldehyde has molecular formula C4H3BrN2O and molecular weight 174.983 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Bromo-1H-pyrazole-3-carbaldehyde (CAS 518357-37-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356544-8 (accessed 2026-10-24).

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