5,6-diphenyl-1H-pyrazin-2-one
5,6-二苯基-2-羟基吡嗪
Also known as: 5,6-diphenylpyrazin-2-ol, 5,6-diphenyl-2-hydroxypyrazine, 5,6-diphenyl-2(1H)-pyrazinone, 5,6-diphenylpyrazin-2(1H)-one, Selexipag Impurity 10, 5,6-diphenyl-1H-pyrazin-2-on, 2,3-diphenyl-6-hydroxypyrazine, 5,6-diphenyl-2-pyrazinol, 5,6-diphenylpyrazinol, 1,2-dihydro-2-oxo-3,5-diphenylpyrazine
5,6-diphenyl-1H-pyrazin-2-one (CAS 18591-57-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H12N2O and a molecular weight of 248.27900 g/mol. It is also known as 5,6-diphenylpyrazin-2-ol, 5,6-diphenyl-2-hydroxypyrazine and 5,6-diphenyl-2(1H)-pyrazinone. Key properties include a boiling point of 492.2ºC at 760 mmHg, a density of 1.17g/cm3 and a flash point of 251.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18591-57-6
- Jingsj CID
- J-1520621-7
- Molecular Formula
- C16H12N2O
- Chinese Name
- 5,6-二苯基-2-羟基吡嗪
- Molecular Weight
- 248.27900 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 492.2ºC at 760 mmHg |
|---|---|
| Density | 1.17g/cm3 |
| Flash Point | 251.4ºC |
Frequently Asked Questions
What is the CAS number of 5,6-diphenyl-1H-pyrazin-2-one?
The CAS number of 5,6-diphenyl-1H-pyrazin-2-one is 18591-57-6.
What are the molecular formula and molecular weight of 5,6-diphenyl-1H-pyrazin-2-one?
5,6-diphenyl-1H-pyrazin-2-one has molecular formula C16H12N2O and molecular weight 248.27900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,6-diphenyl-1H-pyrazin-2-one (CAS 18591-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520621-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.