Pyrido[3,4-b]pyrazine
吡啶并[3,4-b]吡嗪
Also known as: 1,4,6-Triazanaphthalin, 1,4,6-triazanaphthalene, 6-azaquinoxaline, Pyrido[3,4-b]pyrazine (6CI,7CI,8CI,9CI), pyridino[3,4-b]pyrazine, pyrido<3,4-b>pyrazine
Pyrido[3,4-b]pyrazine (CAS 254-86-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3 and a molecular weight of 131.135 g/mol. It is also known as 1,4,6-Triazanaphthalin, 1,4,6-triazanaphthalene and 6-azaquinoxaline. Key properties include a boiling point of 273.5±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 128.7±14.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 254-86-4
- Jingsj CID
- J-1047695-2
- Molecular Formula
- C7H5N3
- Chinese Name
- 吡啶并[3,4-b]吡嗪
- Molecular Weight
- 131.135 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 273.5±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 128.7±14.7 °C |
Frequently Asked Questions
What is the CAS number of Pyrido[3,4-b]pyrazine?
The CAS number of Pyrido[3,4-b]pyrazine is 254-86-4.
What are the molecular formula and molecular weight of Pyrido[3,4-b]pyrazine?
Pyrido[3,4-b]pyrazine has molecular formula C7H5N3 and molecular weight 131.135 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrido[3,4-b]pyrazine (CAS 254-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1047695-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.