4-(3-Thienyl)benzoic acid

4-(3-噻吩基)苯甲酸

Also known as: 4-(Thiophen-3-yl)benzoic acid, 4-Thien-3-ylbenzoic acid, 4-Thiophen-3-yl-benzoic acid, Benzoic acid, 4-(3-thienyl)-

4-(3-Thienyl)benzoic acid (CAS 29886-64-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8O2S and a molecular weight of 204.24500 g/mol. It is also known as 4-(Thiophen-3-yl)benzoic acid, 4-Thien-3-ylbenzoic acid and 4-Thiophen-3-yl-benzoic acid. Key properties include a melting point of 282ºC, a boiling point of 344.6ºC at 760 mmHg, a density of 1.303g/cm3 and a flash point of 162.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
29886-64-4
Jingsj CID
J-1517782-1
Molecular Formula
C11H8O2S
Chinese Name
4-(3-噻吩基)苯甲酸
Molecular Weight
204.24500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point282ºC
Boiling Point344.6ºC at 760 mmHg
Density1.303g/cm3
Flash Point162.2ºC

Frequently Asked Questions

What is the CAS number of 4-(3-Thienyl)benzoic acid?

The CAS number of 4-(3-Thienyl)benzoic acid is 29886-64-4.

What are the molecular formula and molecular weight of 4-(3-Thienyl)benzoic acid?

4-(3-Thienyl)benzoic acid has molecular formula C11H8O2S and molecular weight 204.24500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(3-Thienyl)benzoic acid (CAS 29886-64-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517782-1 (accessed 2026-10-22).

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