5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid
5-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)噻吩-2-羧酸
Also known as: 5-Carboxylthiophene-2-boronic acid pinacol ester, 2-Carboxythiophene-5-boronic acid pinacol ester, 5-Carboxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene, 5-Carboxy-2-thienylboronic acid pinacol ester, 5-Carboxylthiophene-2-Boronic Acid Pinacol Ester, 5-Carboxythiophene-2-boronic acid pinacol ester, 5-Boronothiophene-2-carboxylic acid pinacol ester
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid (CAS 779335-05-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H15BO4S and a molecular weight of 254.11000 g/mol. It is also known as 5-Carboxylthiophene-2-boronic acid pinacol ester, 2-Carboxythiophene-5-boronic acid pinacol ester and 5-Carboxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene. Key properties include a melting point of 176-181°C, a boiling point of 403.444ºC at 760 mmHg and a density of 1.235 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 779335-05-6
- Jingsj CID
- J-1016643-1
- Molecular Formula
- C11H15BO4S
- Chinese Name
- 5-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)噻吩-2-羧酸
- Molecular Weight
- 254.11000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 176-181°C |
|---|---|
| Boiling Point | 403.444ºC at 760 mmHg |
| Density | 1.235 g/cm3 |
Frequently Asked Questions
What is the CAS number of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid?
The CAS number of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid is 779335-05-6.
What are the molecular formula and molecular weight of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid?
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid has molecular formula C11H15BO4S and molecular weight 254.11000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid (CAS 779335-05-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1016643-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.