![Molecular structure of Benzo[b]thiophen-5-ylboronic acid (CAS 845872-49-3)](/images/chem_structures_svg/306/845872-49-3.svg)
Benzo[b]thiophen-5-ylboronic acid
Also known as: 1-Benzothien-5-ylboronic acid, 1-benzothiophen-5-ylboronic acid, 5-Benzothiopheneboronic acid, Benzothiophen-5-ylboronic acid, benzo[b]thiophene-5-boronic acid, benzothiophene-5-boronic acid
Benzo[b]thiophen-5-ylboronic acid (CAS 845872-49-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7BO2S and a molecular weight of 178.01600 g/mol. Key properties include a boiling point of 390.207ºC at 760 mmHg, a density of 1.355g/cm3 and a flash point of 189.791ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 845872-49-3
- Jingsj CID
- J-1431025-9
- Molecular Formula
- C8H7BO2S
- Molecular Weight
- 178.01600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 390.207ºC at 760 mmHg |
|---|---|
| Density | 1.355g/cm3 |
| Flash Point | 189.791ºC |
| Exact Mass | 178.02600 |
| PSA | 68.70000 |
| LogP | 0.58110 |
| Refractive Index | 1.669 |
Frequently Asked Questions
What is the CAS number of Benzo[b]thiophen-5-ylboronic acid?
The CAS number of Benzo[b]thiophen-5-ylboronic acid is 845872-49-3.
What are the molecular formula and molecular weight of Benzo[b]thiophen-5-ylboronic acid?
Benzo[b]thiophen-5-ylboronic acid has molecular formula C8H7BO2S and molecular weight 178.01600 g/mol.
What are the upstream and downstream products of Benzo[b]thiophen-5-ylboronic acid?
For Benzo[b]thiophen-5-ylboronic acid, Upstream Products: 2-(Benzo[b]thiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzo[b]thiophen-5-ylboronic acid (CAS 845872-49-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1431025-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.