5-Ethylthiophene-2-boronic acid

5-乙基噻吩-2-硼酸

Also known as: (5-ethylthiophen-2-yl)boronic acid, 2-Ethylthiophene-5-boronic acid, 2-ethylthiophene-5-boronic acid, 5-ETHYLTHIOPHENYLBORONIC ACID, 5-Ethylthiophenyl-2-boronic acid, 5-ethylthiophen-2-ylboronic acid, Boronic acid, B-(5-ethyl-2-thienyl)-, Boronic acid, (5-ethyl-2-thienyl)- (9CI)

5-Ethylthiophene-2-boronic acid (CAS 162607-16-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9BO2S and a molecular weight of 156.01000 g/mol. It is also known as (5-ethylthiophen-2-yl)boronic acid, 2-Ethylthiophene-5-boronic acid and 2-ethylthiophene-5-boronic acid. Key properties include a boiling point of 307.948ºC at 760 mmHg, a density of 1.204 g/cm3 and a flash point of 140.042ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
162607-16-1
Jingsj CID
J-89474-2
Molecular Formula
C6H9BO2S
Chinese Name
5-乙基噻吩-2-硼酸
Molecular Weight
156.01000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point307.948ºC at 760 mmHg
Density1.204 g/cm3
Flash Point140.042ºC

Frequently Asked Questions

What is the CAS number of 5-Ethylthiophene-2-boronic acid?

The CAS number of 5-Ethylthiophene-2-boronic acid is 162607-16-1.

What are the molecular formula and molecular weight of 5-Ethylthiophene-2-boronic acid?

5-Ethylthiophene-2-boronic acid has molecular formula C6H9BO2S and molecular weight 156.01000 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-Ethylthiophene-2-boronic acid (CAS 162607-16-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89474-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.