4-bromo-1-methyl-1H-pyrazole-3-carbonyl chloride

4-溴-1-甲基-1H-吡唑-3-甲酰氯

Also known as: 4-bromo-1-methyl-3-pyrazolecarbonyl chloride, 4-bromo-1-methylpyrazole-3-carbonyl chloride, 4-bromo-1-methyl-pyrazole-3-carbonyl chloride, 4-BROMO-1-METHYL-1H-PYRAZOLE-3-CARBONYL CHLORIDE, 1H-pyrazole-3-carbonyl chloride, 4-bromo-1-methyl-, AKOS B006620, ART-CHEM-BB B006620

4-bromo-1-methyl-1H-pyrazole-3-carbonyl chloride (CAS 912569-70-1) 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 223.45500 g/mol. It is also known as 4-bromo-1-methyl-3-pyrazolecarbonyl chloride, 4-bromo-1-methylpyrazole-3-carbonyl chloride and 4-bromo-1-methyl-pyrazole-3-carbonyl chloride. Key properties include a boiling point of 285.4ºC at 760 mmHg, a density of 1.89g/cm3 and a flash point of 126.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
912569-70-1
Jingsj CID
J-1138105-9
Molecular Formula
C5H4BrClN2O
Chinese Name
4-溴-1-甲基-1H-吡唑-3-甲酰氯
Molecular Weight
223.45500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point285.4ºC at 760 mmHg
Density1.89g/cm3
Flash Point126.4ºC

Frequently Asked Questions

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

The CAS number of 4-bromo-1-methyl-1H-pyrazole-3-carbonyl chloride is 912569-70-1.

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

4-bromo-1-methyl-1H-pyrazole-3-carbonyl chloride has molecular formula C5H4BrClN2O and molecular weight 223.45500 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-methyl-1H-pyrazole-3-carbonyl chloride (CAS 912569-70-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138105-9 (accessed 2026-10-26).

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