4-Boronothiophene-2-carboxylic acid
2-羧基噻吩-4-硼酸
Also known as: 2-Carboxythiophene-4-boronic acid, 4-Borono-2-thiophenecarboxylic acid, 4-Borono-2-thenoic acid, 5-Carboxythiophene-3-boronic acid
4-Boronothiophene-2-carboxylic acid (CAS 913835-91-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5BO4S and a molecular weight of 171.96700 g/mol. It is also known as 2-Carboxythiophene-4-boronic acid, 4-Borono-2-thiophenecarboxylic acid and 4-Borono-2-thenoic acid. Key properties include a melting point of 170-172ºC, a boiling point of 467.6ºC at 760 mmHg, a density of 1.59g/cm3 and a flash point of 236.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 913835-91-3
- Jingsj CID
- J-1413908-6
- Molecular Formula
- C5H5BO4S
- Chinese Name
- 2-羧基噻吩-4-硼酸
- Molecular Weight
- 171.96700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 170-172ºC |
|---|---|
| Boiling Point | 467.6ºC at 760 mmHg |
| Density | 1.59g/cm3 |
| Flash Point | 236.6ºC |
Frequently Asked Questions
What is the CAS number of 4-Boronothiophene-2-carboxylic acid?
The CAS number of 4-Boronothiophene-2-carboxylic acid is 913835-91-3.
What are the molecular formula and molecular weight of 4-Boronothiophene-2-carboxylic acid?
4-Boronothiophene-2-carboxylic acid has molecular formula C5H5BO4S and molecular weight 171.96700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Boronothiophene-2-carboxylic acid (CAS 913835-91-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1413908-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.