5-(Thiophen-2-yl)pyrazin-2(1H)-one
5-噻吩-2-基-1H-吡嗪-2-酮
Also known as: 5-THIOPHEN-2-YL-1H-PYRAZIN-2-ONE, 2(1H)-Pyrazinone, 5-(2-thienyl)-, 5-(2-Thienyl)-2-hydroxypyrazine, 5-(thiophen-2-yl)-1,2-dihydropyrazin-2-one, 5-Thiophen-2-yl-pyrazin-2-ol, gl-0782
5-(Thiophen-2-yl)pyrazin-2(1H)-one (CAS 912771-42-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2OS and a molecular weight of 178.21100 g/mol. It is also known as 5-THIOPHEN-2-YL-1H-PYRAZIN-2-ONE, 2(1H)-Pyrazinone, 5-(2-thienyl)- and 5-(2-Thienyl)-2-hydroxypyrazine. Key property: a density of 1.42g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 912771-42-7
- Jingsj CID
- J-1421946-7
- Molecular Formula
- C8H6N2OS
- Chinese Name
- 5-噻吩-2-基-1H-吡嗪-2-酮
- Molecular Weight
- 178.21100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.42g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of 5-(Thiophen-2-yl)pyrazin-2(1H)-one?
The CAS number of 5-(Thiophen-2-yl)pyrazin-2(1H)-one is 912771-42-7.
What are the molecular formula and molecular weight of 5-(Thiophen-2-yl)pyrazin-2(1H)-one?
5-(Thiophen-2-yl)pyrazin-2(1H)-one has molecular formula C8H6N2OS and molecular weight 178.21100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(Thiophen-2-yl)pyrazin-2(1H)-one (CAS 912771-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421946-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.