Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate
Also known as: 2-Methoxycarbonylthiophene-4-boronic acid pinacol ester, 2-Thiophenecarboxylic acid, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester, QC-4883
Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate (CAS 709648-80-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H17BO4S and a molecular weight of 268.137 g/mol. Key properties include a boiling point of 374.6±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 180.3±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 709648-80-6
- Jingsj CID
- J-1512324-7
- Molecular Formula
- C12H17BO4S
- Molecular Weight
- 268.137 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 374.6±27.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 180.3±23.7 °C |
| Exact Mass | 268.094055 |
| PSA | 73.00000 |
| LogP | 1.83390 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.507 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate?
The CAS number of Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate is 709648-80-6.
What are the molecular formula and molecular weight of Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate?
Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate has molecular formula C12H17BO4S and molecular weight 268.137 g/mol.
What are the upstream and downstream products of Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate?
For Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate, Upstream Products: Methyl 4-bromothiophene-2-carboxylate, Bis(pinacolato)diboron.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate (CAS 709648-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512324-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.