3-(2-Thienyl)pyridine
Also known as: 2-(3-Pyridyl)thiophene, 3-(thien-2-yl)pyridine, 3-(thiophen-2-yl)pyridine, 3-thiophen-2-ylpyridine, Pyridine, 3-(2-thienyl)-
3-(2-Thienyl)pyridine (CAS 21298-53-3) 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 boiling point of 95-100°C 1mm, a density of 1.173g/cm3 and a flash point of 95-100°C/1mm. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21298-53-3
- Jingsj CID
- J-11001-0
- 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
| Boiling Point | 95-100°C 1mm |
|---|---|
| Density | 1.173g/cm3 |
| Flash Point | 95-100°C/1mm |
| Exact Mass | 161.03000 |
| PSA | 41.13000 |
| LogP | 2.81010 |
| Vapor Pressure | 0.00716mmHg at 25°C |
| Refractive Index | 1.6480 |
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 3-(2-Thienyl)pyridine?
The CAS number of 3-(2-Thienyl)pyridine is 21298-53-3.
What are the molecular formula and molecular weight of 3-(2-Thienyl)pyridine?
3-(2-Thienyl)pyridine has molecular formula C9H7NS and molecular weight 161.22400 g/mol.
What are the upstream and downstream products of 3-(2-Thienyl)pyridine?
For 3-(2-Thienyl)pyridine, Upstream Products: 2-Bromothiophene, 3-Pyridineboronic acid, 2-Chlorothiophene; Downstream Products: 3-(5-Bromothiophen-2-yl)pyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(2-Thienyl)pyridine (CAS 21298-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11001-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.