3-(tert-Butyl)-1-methyl-1H-pyrazole-5-carbonyl chloride

3-叔丁基-1-甲基-1H-吡唑-5-羰酰氯

Also known as: 1H-Pyrazole-5-carbonyl chloride, 3-(1,1-dimethylethyl)-1-methyl- (9CI), 3-(tert-Butyl)-1-methylpyrazole-5-carbonyl chloride, 3-tert-Butyl-1-methyl-1H-pyrazole-5-carbonyl chloride, 5-tert-Butyl-2-methyl-2H-pyrazole-3-carbonyl chloride, 5-tert-butyl-2-methylpyrazole-3-carbonyl chloride, 3-t-butyl-1-methyl-1H-pyrazole-5-carbonyl chloride, 3-t-butyl-1-methyl-5-pyrazolecarboxylic acid chloride, 3-(tert-Butyl)-5-(chlorocarbonyl)-1-methyl-1H-pyrazole, 3-(tert-Butyl)-5-(chloroformyl)-1-methyl-1H-pyrazole

3-(tert-Butyl)-1-methyl-1H-pyrazole-5-carbonyl chloride (CAS 160842-62-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H13ClN2O and a molecular weight of 200.66500 g/mol. It is also known as 1H-Pyrazole-5-carbonyl chloride, 3-(1,1-dimethylethyl)-1-methyl- (9CI), 3-(tert-Butyl)-1-methylpyrazole-5-carbonyl chloride and 3-tert-Butyl-1-methyl-1H-pyrazole-5-carbonyl chloride. Key properties include a boiling point of 117ºC, a density of 1.16g/cm3 and a flash point of 121.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
160842-62-6
Jingsj CID
J-1440344-0
Molecular Formula
C9H13ClN2O
Chinese Name
3-叔丁基-1-甲基-1H-吡唑-5-羰酰氯
Molecular Weight
200.66500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point117ºC
Density1.16g/cm3
Flash Point121.1ºC

Frequently Asked Questions

What is the CAS number of 3-(tert-Butyl)-1-methyl-1H-pyrazole-5-carbonyl chloride?

The CAS number of 3-(tert-Butyl)-1-methyl-1H-pyrazole-5-carbonyl chloride is 160842-62-6.

What are the molecular formula and molecular weight of 3-(tert-Butyl)-1-methyl-1H-pyrazole-5-carbonyl chloride?

3-(tert-Butyl)-1-methyl-1H-pyrazole-5-carbonyl chloride has molecular formula C9H13ClN2O and molecular weight 200.66500 g/mol.

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

Last updated:

How to cite: Jingsj. "3-(tert-Butyl)-1-methyl-1H-pyrazole-5-carbonyl chloride (CAS 160842-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1440344-0 (accessed 2026-10-24).

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