3-hydroxythiophene-2-carboxylic acid
3-羟基噻吩-2-羧酸
Also known as: 3-hydroxy-2-thiophenecarboxylic acid, 2-thiophenecarboxylic acid, 3-hydroxy-, 3-hydroxythiophene-2-carboxylic acid, 2-carboxy-3-hydroxythiophene, 3-hydroxy-2-thenoic acid
3-hydroxythiophene-2-carboxylic acid (CAS 5118-07-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4O3S and a molecular weight of 144.14800 g/mol. It is also known as 3-hydroxy-2-thiophenecarboxylic acid, 2-thiophenecarboxylic acid, 3-hydroxy- and 2-carboxy-3-hydroxythiophene. Key properties include a boiling point of 326.374ºC at 760 mmHg, a density of 1.604g/cm3 and a flash point of 151.186ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5118-07-0
- Jingsj CID
- J-1155680-6
- Molecular Formula
- C5H4O3S
- Chinese Name
- 3-羟基噻吩-2-羧酸
- Molecular Weight
- 144.14800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 326.374ºC at 760 mmHg |
|---|---|
| Density | 1.604g/cm3 |
| Flash Point | 151.186ºC |
Frequently Asked Questions
What is the CAS number of 3-hydroxythiophene-2-carboxylic acid?
The CAS number of 3-hydroxythiophene-2-carboxylic acid is 5118-07-0.
What are the molecular formula and molecular weight of 3-hydroxythiophene-2-carboxylic acid?
3-hydroxythiophene-2-carboxylic acid has molecular formula C5H4O3S and molecular weight 144.14800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-hydroxythiophene-2-carboxylic acid (CAS 5118-07-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1155680-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.