5-chloro-2,3-diphenylpyrazine
5-氯-2,3-二苯基吡嗪
Also known as: 2,3-diphenyl-5-chloropyrazine, 2-chloro-5,6-diphenylpyrazine, 2-chloro-4,6-diphenylpyrazine, 5-chlor-2,3-diphenyl-pyrazin, Pyrazine, 5-chloro-2,3-diphenyl-, Selexipag Impurity 31, chloro-2,3-diphenylpyrazine, Selexipag intermediate
5-chloro-2,3-diphenylpyrazine (CAS 41270-66-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H11ClN2 and a molecular weight of 266.725 g/mol. It is also known as 2,3-diphenyl-5-chloropyrazine, 2-chloro-5,6-diphenylpyrazine and 2-chloro-4,6-diphenylpyrazine. Key properties include a melting point of 127 °C, a boiling point of 358.9±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 202.1±12.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 41270-66-0
- Jingsj CID
- J-977155-4
- Molecular Formula
- C16H11ClN2
- Chinese Name
- 5-氯-2,3-二苯基吡嗪
- Molecular Weight
- 266.725 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 127 °C |
|---|---|
| Boiling Point | 358.9±37.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 202.1±12.1 °C |
Frequently Asked Questions
What is the CAS number of 5-chloro-2,3-diphenylpyrazine?
The CAS number of 5-chloro-2,3-diphenylpyrazine is 41270-66-0.
What are the molecular formula and molecular weight of 5-chloro-2,3-diphenylpyrazine?
5-chloro-2,3-diphenylpyrazine has molecular formula C16H11ClN2 and molecular weight 266.725 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-chloro-2,3-diphenylpyrazine (CAS 41270-66-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977155-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.