2-(3-Thienyl)pyridine
Also known as: 2-(3'-thienyl)pyridine, 2-(THIEN-3-YL)PYRIDINE, 2-(Thiophen-3-yl)pyridine, 3-(2-PYRIDYL)THIOPHENE, 3-(pyridin-2-yl)thiophene, AKOS BAR-1391, EINECS 244-322-1, Pyridine, 2-(3-thienyl)-
2-(3-Thienyl)pyridine (CAS 21298-55-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NS and a molecular weight of 161.22400 g/mol. Key properties include a melting point of 25ºC, a boiling point of 240.1ºC at 760mmHg, a density of 1.173g/cm3 and a flash point of 96.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21298-55-5
- Jingsj CID
- J-35088-9
- Molecular Formula
- C9H7NS
- Molecular Weight
- 161.22400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 25ºC |
|---|---|
| Boiling Point | 240.1ºC at 760mmHg |
| Density | 1.173g/cm3 |
| Flash Point | 96.8ºC |
| Exact Mass | 161.03000 |
| PSA | 41.13000 |
| LogP | 2.81010 |
| Vapor Pressure | 0.0599mmHg at 25°C |
| Refractive Index | 1.604 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-(3-Thienyl)pyridine?
The CAS number of 2-(3-Thienyl)pyridine is 21298-55-5.
What are the molecular formula and molecular weight of 2-(3-Thienyl)pyridine?
2-(3-Thienyl)pyridine has molecular formula C9H7NS and molecular weight 161.22400 g/mol.
What are the upstream and downstream products of 2-(3-Thienyl)pyridine?
For 2-(3-Thienyl)pyridine, Upstream Products: 2-(Phenylsulfonyl)pyridine, 2-Bromopyridine, 3-Thiopheneboronic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(3-Thienyl)pyridine (CAS 21298-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35088-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.