(5-(Trifluoromethyl)thiophen-2-yl)boronic acid

5-(三氟甲基)噻吩-2-基硼酸

Also known as: 5-(Trifluoromethyl)-2-thiopheneboronic acid, 5-(trifluoromethyl)thiophen-2-ylboronic acid, 5-Trifluoromethyl-thiophene-2-boronic acid, Boronic acid, B-[5-(trifluoromethyl)-2-thienyl]-, [5-(trifluoromethyl)-2-thienyl]boronic acid, [5-(trifluoromethyl)thiophen-2-yl]boronic acid

(5-(Trifluoromethyl)thiophen-2-yl)boronic acid (CAS 958451-91-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4BF3O2S and a molecular weight of 195.95500 g/mol. It is also known as 5-(Trifluoromethyl)-2-thiopheneboronic acid, 5-(trifluoromethyl)thiophen-2-ylboronic acid and 5-Trifluoromethyl-thiophene-2-boronic acid. Key properties include a boiling point of 281.3ºC at 760 mmHg, a density of 1.51g/cm3 and a flash point of 123.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
958451-91-7
Jingsj CID
J-1359264-0
Molecular Formula
C5H4BF3O2S
Chinese Name
5-(三氟甲基)噻吩-2-基硼酸
Molecular Weight
195.95500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point281.3ºC at 760 mmHg
Density1.51g/cm3
Flash Point123.9ºC

Frequently Asked Questions

What is the CAS number of (5-(Trifluoromethyl)thiophen-2-yl)boronic acid?

The CAS number of (5-(Trifluoromethyl)thiophen-2-yl)boronic acid is 958451-91-7.

What are the molecular formula and molecular weight of (5-(Trifluoromethyl)thiophen-2-yl)boronic acid?

(5-(Trifluoromethyl)thiophen-2-yl)boronic acid has molecular formula C5H4BF3O2S and molecular weight 195.95500 g/mol.

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

Last updated:

How to cite: Jingsj. "(5-(Trifluoromethyl)thiophen-2-yl)boronic acid (CAS 958451-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359264-0 (accessed 2026-10-25).

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