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2-(1H-PYRAZOL-3-YL)PYRAZINE

2-(1H-吡唑-3-基)吡嗪

Also known as: 2-(1H-pyrazol-5-yl)pyrazine, 2-(2H-pyrazol-3-yl)pyrazine, 2-(3-Pyrazolyl)pyrazine, 2-pyrazol-3-ylpyrazine, BUTTPARK 50\09-03, pyrazine, 2-(1H-pyrazol-3-yl)-, pyrazolylpyrazine, 1H-pyrazol-3-yl-pyrazine

2-(1H-PYRAZOL-3-YL)PYRAZINE (CAS 111781-54-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N4 and a molecular weight of 146.14900 g/mol. It is also known as 2-(1H-pyrazol-5-yl)pyrazine, 2-(2H-pyrazol-3-yl)pyrazine and 2-(3-Pyrazolyl)pyrazine. Key properties include a melting point of 155-157ºC, a boiling point of 376.6ºC at 760 mmHg, a density of 1.296g/cm3 and a flash point of 214.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
111781-54-5
Jingsj CID
J-1308898-7
Molecular Formula
C7H6N4
Chinese Name
2-(1H-吡唑-3-基)吡嗪
Molecular Weight
146.14900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-157ºC
Boiling Point376.6ºC at 760 mmHg
Density1.296g/cm3
Flash Point214.3ºC

Frequently Asked Questions

What is the CAS number of 2-(1H-PYRAZOL-3-YL)PYRAZINE?

The CAS number of 2-(1H-PYRAZOL-3-YL)PYRAZINE is 111781-54-5.

What are the molecular formula and molecular weight of 2-(1H-PYRAZOL-3-YL)PYRAZINE?

2-(1H-PYRAZOL-3-YL)PYRAZINE has molecular formula C7H6N4 and molecular weight 146.14900 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(1H-PYRAZOL-3-YL)PYRAZINE (CAS 111781-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1308898-7 (accessed 2026-10-25).

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