3-chloro-5-ethynylpyridine
3-氯-5-乙炔基吡啶
Also known as: 3-chloro-5-ethynylpyridine, Pyridine, 3-chloro-5-ethynyl-, 3-chloranyl-5-ethynyl-pyridine, RW1996
3-chloro-5-ethynylpyridine (CAS 329202-22-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4ClN and a molecular weight of 137.56600 g/mol. It is also known as Pyridine, 3-chloro-5-ethynyl-, 3-chloranyl-5-ethynyl-pyridine and RW1996. Key properties include a boiling point of 207.533ºC at 760 mmHg, a density of 1.232g/cm3 and a flash point of 98.681ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 329202-22-4
- Jingsj CID
- J-1361162-0
- Molecular Formula
- C7H4ClN
- Chinese Name
- 3-氯-5-乙炔基吡啶
- Molecular Weight
- 137.56600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 207.533ºC at 760 mmHg |
|---|---|
| Density | 1.232g/cm3 |
| Flash Point | 98.681ºC |
Frequently Asked Questions
What is the CAS number of 3-chloro-5-ethynylpyridine?
The CAS number of 3-chloro-5-ethynylpyridine is 329202-22-4.
What are the molecular formula and molecular weight of 3-chloro-5-ethynylpyridine?
3-chloro-5-ethynylpyridine has molecular formula C7H4ClN and molecular weight 137.56600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-chloro-5-ethynylpyridine (CAS 329202-22-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361162-0 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.