5-(2-oxo-2-phenylethyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one
5-(2-氧代-2-苯乙基)-2-(噻吩-2-基)吡唑并[1,5-a]吡嗪-4(5H)-酮
5-(2-oxo-2-phenylethyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1428378-80-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H13N3O2S and a molecular weight of 335.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1428378-80-6
- Jingsj CID
- J-198513-7
- Molecular Formula
- C18H13N3O2S
- Chinese Name
- 5-(2-氧代-2-苯乙基)-2-(噻吩-2-基)吡唑并[1,5-a]吡嗪-4(5H)-酮
- Molecular Weight
- 335.4 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 5-(2-oxo-2-phenylethyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one?
The CAS number of 5-(2-oxo-2-phenylethyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one is 1428378-80-6.
What are the molecular formula and molecular weight of 5-(2-oxo-2-phenylethyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one?
5-(2-oxo-2-phenylethyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one has molecular formula C18H13N3O2S and molecular weight 335.4 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(2-oxo-2-phenylethyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1428378-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-198513-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.