1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride

1,5-二甲基-1H-吡唑-3-甲酰氯

Also known as: 1,5-dimethyl-1H-pyrazole-3-carbonyl chloride, 1,5-Dimethyl-1H-pyrazol-3-carbonylchlorid, 1,5-Dimethylpyrazole-3-carbonyl chloride, 1H-Pyrazole-3-carbonyl chloride, 1,5-dimethyl-, 3-(Chlorocarbonyl)-1,5-dimethyl-1H-pyrazole, 3-(Chloroformyl)-1,5-dimethyl-1H-pyrazole, MFCD03407950

1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride (CAS 49783-84-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7ClN2O and a molecular weight of 158.58600 g/mol. It is also known as 1,5-dimethyl-1H-pyrazole-3-carbonyl chloride, 1,5-Dimethyl-1H-pyrazol-3-carbonylchlorid and 1,5-Dimethylpyrazole-3-carbonyl chloride. Key properties include a melting point of 73=74ºC, a boiling point of 250.2ºC at 760 mmHg, a density of 1.31g/cm3 and a flash point of 105.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
49783-84-8
Jingsj CID
J-1993440-0
Molecular Formula
C6H7ClN2O
Chinese Name
1,5-二甲基-1H-吡唑-3-甲酰氯
Molecular Weight
158.58600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point73=74ºC
Boiling Point250.2ºC at 760 mmHg
Density1.31g/cm3
Flash Point105.1ºC

Frequently Asked Questions

What is the CAS number of 1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride?

The CAS number of 1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride is 49783-84-8.

What are the molecular formula and molecular weight of 1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride?

1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride has molecular formula C6H7ClN2O and molecular weight 158.58600 g/mol.

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

Last updated:

How to cite: Jingsj. "1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride (CAS 49783-84-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993440-0 (accessed 2026-10-22).

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