5-(pyridin-3-yl)thiophene-2-carboxylic acid
5-(吡啶-3-基)噻吩-2-羧酸
Also known as: 5-pyrid-3-ylthiophene-2-carboxylic acid, 2-thiophenecarboxylic acid, 5-(3-pyridinyl)-, 5-(3-pyridinyl)-2-thiophenecarboxylic acid, 5-pyridin-3-ylthiophene-2-carboxylic acid
5-(pyridin-3-yl)thiophene-2-carboxylic acid (CAS 278803-20-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NO2S and a molecular weight of 205.23300 g/mol. It is also known as 5-pyrid-3-ylthiophene-2-carboxylic acid, 2-thiophenecarboxylic acid, 5-(3-pyridinyl)- and 5-(3-pyridinyl)-2-thiophenecarboxylic acid. Key properties include a boiling point of 423.8ºC at 760 mmHg, a density of 1.368g/cm3 and a flash point of 210.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 278803-20-6
- Jingsj CID
- J-1338664-1
- Molecular Formula
- C10H7NO2S
- Chinese Name
- 5-(吡啶-3-基)噻吩-2-羧酸
- Molecular Weight
- 205.23300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 423.8ºC at 760 mmHg |
|---|---|
| Density | 1.368g/cm3 |
| Flash Point | 210.1ºC |
Frequently Asked Questions
What is the CAS number of 5-(pyridin-3-yl)thiophene-2-carboxylic acid?
The CAS number of 5-(pyridin-3-yl)thiophene-2-carboxylic acid is 278803-20-6.
What are the molecular formula and molecular weight of 5-(pyridin-3-yl)thiophene-2-carboxylic acid?
5-(pyridin-3-yl)thiophene-2-carboxylic acid has molecular formula C10H7NO2S and molecular weight 205.23300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(pyridin-3-yl)thiophene-2-carboxylic acid (CAS 278803-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1338664-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.