2-methylpyrido[3,4-b]pyrazine-5,7-diamine
5,7-二氨基-2-甲基吡啶并[3,4-b]吡嗪
Also known as: Pyrido[3,4-b]pyrazine, 5,7-diamino-2-methyl- (8CI), 2-METHYLPYRIDO[3,4-B]PYRAZINE-5,7-DIAMINE, Pyrido[3,4-b]pyrazine-5,7-diamine, 2-methyl-, NSC 101736, Pirido[3,4-b]pirazina, 5,7-diamino-2-metil- (8CI), (7-Amino-2-Methyl-Pyrido[3,4-B]Pyrazin-5-Yl)Amine
2-methylpyrido[3,4-b]pyrazine-5,7-diamine (CAS 16335-90-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9N5 and a molecular weight of 175.19100 g/mol. It is also known as Pyrido[3,4-b]pyrazine, 5,7-diamino-2-methyl- (8CI), 2-METHYLPYRIDO[3,4-B]PYRAZINE-5,7-DIAMINE and Pyrido[3,4-b]pyrazine-5,7-diamine, 2-methyl-. Key properties include a boiling point of 421.9ºC at 760mmHg, a density of 1.412g/cm3 and a flash point of 238.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16335-90-3
- Jingsj CID
- J-1355025-1
- Molecular Formula
- C8H9N5
- Chinese Name
- 5,7-二氨基-2-甲基吡啶并[3,4-b]吡嗪
- Molecular Weight
- 175.19100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 421.9ºC at 760mmHg |
|---|---|
| Density | 1.412g/cm3 |
| Flash Point | 238.5ºC |
Frequently Asked Questions
What is the CAS number of 2-methylpyrido[3,4-b]pyrazine-5,7-diamine?
The CAS number of 2-methylpyrido[3,4-b]pyrazine-5,7-diamine is 16335-90-3.
What are the molecular formula and molecular weight of 2-methylpyrido[3,4-b]pyrazine-5,7-diamine?
2-methylpyrido[3,4-b]pyrazine-5,7-diamine has molecular formula C8H9N5 and molecular weight 175.19100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-methylpyrido[3,4-b]pyrazine-5,7-diamine (CAS 16335-90-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355025-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.