(4-Formylthiophen-3-yl)boronic acid

3-甲酰基噻吩-4-硼酸

Also known as: 3-Formylthiophene-4-boronic acid, 3-Formyl-4-thiopheneboronic acid, AKOS 90301, AKOS BRN-0264, RARECHEM AH PB 0174, RARECHEM AH PB 0259, TIMTEC-BB SBB004326

(4-Formylthiophen-3-yl)boronic acid (CAS 4347-32-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5BO3S and a molecular weight of 155.96700 g/mol. It is also known as 3-Formylthiophene-4-boronic acid, 3-Formyl-4-thiopheneboronic acid and AKOS 90301. Key properties include a boiling point of 247.7ºC at 760mmHg, a density of 1.25g/cm3 and a flash point of 103.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4347-32-4
Jingsj CID
J-1322258-3
Molecular Formula
C5H5BO3S
Chinese Name
3-甲酰基噻吩-4-硼酸
Molecular Weight
155.96700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point247.7ºC at 760mmHg
Density1.25g/cm3
Flash Point103.6ºC

Frequently Asked Questions

What is the CAS number of (4-Formylthiophen-3-yl)boronic acid?

The CAS number of (4-Formylthiophen-3-yl)boronic acid is 4347-32-4.

What are the molecular formula and molecular weight of (4-Formylthiophen-3-yl)boronic acid?

(4-Formylthiophen-3-yl)boronic acid has molecular formula C5H5BO3S and molecular weight 155.96700 g/mol.

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

Last updated:

How to cite: Jingsj. "(4-Formylthiophen-3-yl)boronic acid (CAS 4347-32-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1322258-3 (accessed 2026-10-24).

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