Ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate

5-(吡啶-2-基)-1H-吡唑-3-羧酸乙酯

Also known as: Ethyl 3-(pyridin-2-yl)-1H-pyrazole-5-carboxylate, Ethyl 3-(2-pyridinyl)-1H-pyrazole-5-carboxylate, Ethyl 5-(2-pyridyl)pyrazole-3-carboxylate, Ethyl 3-(pyridin-2-yl)pyrazole-5-carboxylate, 1H-Pyrazole-3-carboxylic acid, 5-(2-pyridinyl)-, ethyl ester, 2-[5-(Ethoxycarbonyl)-1H-pyrazol-3-yl]pyridine, ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate, ethyl 3-pyridin-2-yl-1H-pyrazole-5-carboxylate, ethylpyridinylpyrazolecarboxylate

Ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate (CAS 174139-65-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11N3O2 and a molecular weight of 217.22400 g/mol. It is also known as Ethyl 3-(pyridin-2-yl)-1H-pyrazole-5-carboxylate, Ethyl 3-(2-pyridinyl)-1H-pyrazole-5-carboxylate and Ethyl 5-(2-pyridyl)pyrazole-3-carboxylate. Key properties include a boiling point of 445ºC at 760 mmHg and a flash point of 222.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
174139-65-2
Jingsj CID
J-1018181-0
Molecular Formula
C11H11N3O2
Chinese Name
5-(吡啶-2-基)-1H-吡唑-3-羧酸乙酯
Molecular Weight
217.22400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point445ºC at 760 mmHg
Flash Point222.9ºC

Frequently Asked Questions

What is the CAS number of Ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate?

The CAS number of Ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate is 174139-65-2.

What are the molecular formula and molecular weight of Ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate?

Ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate has molecular formula C11H11N3O2 and molecular weight 217.22400 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 5-(pyridin-2-yl)-1H-pyrazole-3-carboxylate (CAS 174139-65-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1018181-0 (accessed 2026-10-23).

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