ethyl 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylate

1-(叔丁基)-3-甲基-1H-吡唑-5-羧酸乙酯

Also known as: ethyl 1-(1,1-dimethylethyl)-3-methyl-1H-pyrazole-5-carboxylate, ethyl 2-tert-butyl-5-methylpyrazole-3-carboxylate, 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylic acid ethyl ester, 1-(1,1-dimethylethyl)-3-methyl-1H-pyrazole-5-carboxylic acid ethyl ester

ethyl 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylate (CAS 175277-08-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H18N2O2 and a molecular weight of 210.27300 g/mol. It is also known as ethyl 1-(1,1-dimethylethyl)-3-methyl-1H-pyrazole-5-carboxylate, ethyl 2-tert-butyl-5-methylpyrazole-3-carboxylate and 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylic acid ethyl ester. Key properties include a boiling point of 293.3ºC at 760mmHg, a density of 1.04g/cm3 and a flash point of 131.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175277-08-4
Jingsj CID
J-1526307-4
Molecular Formula
C11H18N2O2
Chinese Name
1-(叔丁基)-3-甲基-1H-吡唑-5-羧酸乙酯
Molecular Weight
210.27300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point293.3ºC at 760mmHg
Density1.04g/cm3
Flash Point131.2ºC

Frequently Asked Questions

What is the CAS number of ethyl 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylate?

The CAS number of ethyl 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylate is 175277-08-4.

What are the molecular formula and molecular weight of ethyl 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylate?

ethyl 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylate has molecular formula C11H18N2O2 and molecular weight 210.27300 g/mol.

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

Last updated:

How to cite: Jingsj. "ethyl 1-(tert-butyl)-3-methyl-1H-pyrazole-5-carboxylate (CAS 175277-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526307-4 (accessed 2026-10-25).

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