2-Chloro-5-methoxypyrazine
2-氯-5-甲氧基吡嗪
Also known as: 2-Chloro-5-methoxypyrazine, 5-Methoxy-2-chloropyrazine, Pyrazine, 2-chloro-5-methoxy-, 3-Chloro-6-methoxypyrazine, 2-chloro-5-methoxy-pyrazine
2-Chloro-5-methoxypyrazine (CAS 33332-31-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2O and a molecular weight of 144.559 g/mol. It is also known as 5-Methoxy-2-chloropyrazine, Pyrazine, 2-chloro-5-methoxy- and 3-Chloro-6-methoxypyrazine. Key properties include a boiling point of 183.3±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 64.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33332-31-9
- Jingsj CID
- J-1341947-9
- Molecular Formula
- C5H5ClN2O
- Chinese Name
- 2-氯-5-甲氧基吡嗪
- Molecular Weight
- 144.559 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 183.3±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 64.7±25.9 °C |
Frequently Asked Questions
What is the CAS number of 2-Chloro-5-methoxypyrazine?
The CAS number of 2-Chloro-5-methoxypyrazine is 33332-31-9.
What are the molecular formula and molecular weight of 2-Chloro-5-methoxypyrazine?
2-Chloro-5-methoxypyrazine has molecular formula C5H5ClN2O and molecular weight 144.559 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Chloro-5-methoxypyrazine (CAS 33332-31-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1341947-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.