Pyrido[2,3-b]pyrazine
吡啶并[2,3-b]吡嗪
Also known as: 1,4,5-Triazanaphthalene, Pyrido(2,3-b)pyrazine, Pyridopyrazine, 5-Azaquinoxaline, 2,3-Pyridopyrazine, MFCD00053172
Pyrido[2,3-b]pyrazine (CAS 322-46-3) 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 131.13500 g/mol. It is also known as 1,4,5-Triazanaphthalene, Pyrido(2,3-b)pyrazine and Pyridopyrazine. Key properties include a melting point of 139-143 °C, a boiling point of 253.9ºC at 760 mmHg, a density of 1.27 g/cm3 and a flash point of 115.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 322-46-3
- Jingsj CID
- J-33230-1
- Molecular Formula
- C7H5N3
- Chinese Name
- 吡啶并[2,3-b]吡嗪
- Molecular Weight
- 131.13500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 139-143 °C |
|---|---|
| Boiling Point | 253.9ºC at 760 mmHg |
| Density | 1.27 g/cm3 |
| Flash Point | 115.9ºC |
Frequently Asked Questions
What is the CAS number of Pyrido[2,3-b]pyrazine?
The CAS number of Pyrido[2,3-b]pyrazine is 322-46-3.
What are the molecular formula and molecular weight of Pyrido[2,3-b]pyrazine?
Pyrido[2,3-b]pyrazine has molecular formula C7H5N3 and molecular weight 131.13500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrido[2,3-b]pyrazine (CAS 322-46-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33230-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.