ethyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate

3-乙基-1-甲基-1H-吡唑-5-羧酸乙酯

Also known as: ethyl 5-ethyl-2-methylpyrazole-3-carboxylate, 5-ethyl-2-methyl-3-pyrazolecarboxylic acid ethyl ester, 1H-Pyrazole-5-carboxylic acid, 3-ethyl-1-methyl-, ethyl ester, 3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid ethyl ester, ethyl 3-ethyl-1-methylpyrazolyl-5-carboxylate, AKOS PAO-0885

ethyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate (CAS 128537-26-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14N2O2 and a molecular weight of 182.22000 g/mol. It is also known as ethyl 5-ethyl-2-methylpyrazole-3-carboxylate, 5-ethyl-2-methyl-3-pyrazolecarboxylic acid ethyl ester and 1H-Pyrazole-5-carboxylic acid, 3-ethyl-1-methyl-, ethyl ester. Key properties include a boiling point of 286.3±28.0 °C(Predicted) and a density of 1.10±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128537-26-8
Jingsj CID
J-1370759-2
Molecular Formula
C9H14N2O2
Chinese Name
3-乙基-1-甲基-1H-吡唑-5-羧酸乙酯
Molecular Weight
182.22000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point286.3±28.0 °C(Predicted)
Density1.10±0.1 g/cm3(Predicted)

Frequently Asked Questions

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

The CAS number of ethyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate is 128537-26-8.

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

ethyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate has molecular formula C9H14N2O2 and molecular weight 182.22000 g/mol.

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

Last updated:

How to cite: Jingsj. "ethyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate (CAS 128537-26-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1370759-2 (accessed 2026-10-25).

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