5-Methylbenzo[b]thiophene-2-boronic acid
5-甲基苯并[b]噻吩-2-硼酸
Also known as: (5-methyl-1-benzothiophen-2-yl)boronic acid, 2-Borono-5-methylbenzo[b]thiophene, 5-METHYLBENZOTHIOPHENE-2-BORONIC ACID, 5-Methylbenzothiphene-2-boronic acid, 5-methyl-1-benzothiophen-2-ylboronic acid, 5-methylbenzo[b]thiophen-2-ylboronic acid, Boronic acid, B-(5-Methylbenzo[b]thien-2-yl)-
5-Methylbenzo[b]thiophene-2-boronic acid (CAS 136099-65-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9BO2S and a molecular weight of 192.04300 g/mol. It is also known as (5-methyl-1-benzothiophen-2-yl)boronic acid, 2-Borono-5-methylbenzo[b]thiophene and 5-METHYLBENZOTHIOPHENE-2-BORONIC ACID. Key properties include a melting point of 100ºC, a boiling point of 399.6ºC at 760mmHg, a density of 1.3g/cm3 and a flash point of 195.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 136099-65-5
- Jingsj CID
- J-1492710-4
- Molecular Formula
- C9H9BO2S
- Chinese Name
- 5-甲基苯并[b]噻吩-2-硼酸
- Molecular Weight
- 192.04300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 100ºC |
|---|---|
| Boiling Point | 399.6ºC at 760mmHg |
| Density | 1.3g/cm3 |
| Flash Point | 195.5ºC |
Frequently Asked Questions
What is the CAS number of 5-Methylbenzo[b]thiophene-2-boronic acid?
The CAS number of 5-Methylbenzo[b]thiophene-2-boronic acid is 136099-65-5.
What are the molecular formula and molecular weight of 5-Methylbenzo[b]thiophene-2-boronic acid?
5-Methylbenzo[b]thiophene-2-boronic acid has molecular formula C9H9BO2S and molecular weight 192.04300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methylbenzo[b]thiophene-2-boronic acid (CAS 136099-65-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492710-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.