![Molecular structure of 2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 578715-23-8)](/images/chem_structures_svg/464/578715-23-8.svg)
2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Also known as: 5'-Bromo-2,2'-bithiophene-5-boronic acid pinacol ester, 5-Bromo-5''-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2''-bithiophene, 5-Bromo-5'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene, 2-(5'-Bromo-2,2'-bithiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 5''-Bromo-5,5''-bithiophene-2-boronic acid pinacol ester, 2-[5-(5-bromothiophen-2-yl)thiophen-2-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 578715-23-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H16BBrO2S2 and a molecular weight of 371.121 g/mol. Key properties include a melting point of 111ºC, a boiling point of 432.8±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 215.6±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 578715-23-8
- Jingsj CID
- J-1991749-8
- Molecular Formula
- C14H16BBrO2S2
- Molecular Weight
- 371.121 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 111ºC |
|---|---|
| Boiling Point | 432.8±45.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 215.6±28.7 °C |
| Exact Mass | 369.986816 |
| PSA | 74.94000 |
| LogP | 4.53830 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.600 |
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 2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
The CAS number of 2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 578715-23-8.
What are the molecular formula and molecular weight of 2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C14H16BBrO2S2 and molecular weight 371.121 g/mol.
What are the upstream and downstream products of 2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?
For 2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Upstream Products: 2-Bromo-5-iodothiophene, 5,5'-Dibromo-2,2'-bithiophene, Triisopropyl borate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(5'-Bromo-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 578715-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991749-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.