5-Bromo-3-chloropyrazin-2-amine
5-溴-3-氯吡嗪-2-胺
Also known as: 2-Amino-5-bromo-3-chloropyrazine, 2-Amino-3-chloro-5-bromopyrazine, 5-Bromo-3-chloro-2-pyrazinamine, 5-Bromo-3-chloro-pyrazin-2-ylamine, 2-Pyrazinamine, 5-bromo-3-chloro-
5-Bromo-3-chloropyrazin-2-amine (CAS 21943-13-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H3BrClN3 and a molecular weight of 208.444 g/mol. It is also known as 2-Amino-5-bromo-3-chloropyrazine, 2-Amino-3-chloro-5-bromopyrazine and 5-Bromo-3-chloro-2-pyrazinamine. Key properties include a melting point of 128℃, a boiling point of 271.3±35.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 117.9±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21943-13-5
- Jingsj CID
- J-1436077-8
- Molecular Formula
- C4H3BrClN3
- Chinese Name
- 5-溴-3-氯吡嗪-2-胺
- Molecular Weight
- 208.444 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128℃ |
|---|---|
| Boiling Point | 271.3±35.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 117.9±25.9 °C |
Frequently Asked Questions
What is the CAS number of 5-Bromo-3-chloropyrazin-2-amine?
The CAS number of 5-Bromo-3-chloropyrazin-2-amine is 21943-13-5.
What are the molecular formula and molecular weight of 5-Bromo-3-chloropyrazin-2-amine?
5-Bromo-3-chloropyrazin-2-amine has molecular formula C4H3BrClN3 and molecular weight 208.444 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-3-chloropyrazin-2-amine (CAS 21943-13-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1436077-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.