2-Fluoro-3-thiophenecarboxylic acid
2-氟-3-噻吩羧酸
Also known as: 3-Thiophenecarboxylic acid, 2-fluoro-, 2-Fluorthiophen-3-carbonsaeure, 2-fluoro-thiophene-3-carboxylic acid, 2-fluorothiophene-3-carboxylic acid, 3-Thiophenecarboxylicacid,2-fluoro-(9CI)
2-Fluoro-3-thiophenecarboxylic acid (CAS 71154-31-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3FO2S and a molecular weight of 146.14000 g/mol. It is also known as 3-Thiophenecarboxylic acid, 2-fluoro-, 2-Fluorthiophen-3-carbonsaeure and 2-fluoro-thiophene-3-carboxylic acid. Key properties include a boiling point of 263.8ºC at 760 mmHg, a density of 1.527g/cm3 and a flash point of 113.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 71154-31-9
- Jingsj CID
- J-1401238-9
- Molecular Formula
- C5H3FO2S
- Chinese Name
- 2-氟-3-噻吩羧酸
- Molecular Weight
- 146.14000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 263.8ºC at 760 mmHg |
|---|---|
| Density | 1.527g/cm3 |
| Flash Point | 113.4ºC |
Frequently Asked Questions
What is the CAS number of 2-Fluoro-3-thiophenecarboxylic acid?
The CAS number of 2-Fluoro-3-thiophenecarboxylic acid is 71154-31-9.
What are the molecular formula and molecular weight of 2-Fluoro-3-thiophenecarboxylic acid?
2-Fluoro-3-thiophenecarboxylic acid has molecular formula C5H3FO2S and molecular weight 146.14000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Fluoro-3-thiophenecarboxylic acid (CAS 71154-31-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401238-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.