3-(2-Thienyl)propanoic acid

3-(2-噻吩)丙酸

Also known as: 2-Thiophenepropanoic acid, 2-thiophenepropionic acid, 3-(2-Thienyl)propionic acid, 3-(2-Thienyl)propanoic acid, 3-(thiophen-2-yl)propanoic acid, 3-thiophen-2-ylpropanoic acid, 3-thien-2-ylpropanoic acid, AKOS B029955, Eprosartan Impurity 2, MFCD00047093

3-(2-Thienyl)propanoic acid (CAS 5928-51-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8O2S and a molecular weight of 156.202 g/mol. It is also known as 2-Thiophenepropanoic acid, 2-thiophenepropionic acid and 3-(2-Thienyl)propionic acid. Key properties include a melting point of 46-49 °C(lit.), a boiling point of 280.5±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 123.4±20.4 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5928-51-8
Jingsj CID
J-45570-1
Molecular Formula
C7H8O2S
Chinese Name
3-(2-噻吩)丙酸
Molecular Weight
156.202 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point46-49 °C(lit.)
Boiling Point280.5±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point123.4±20.4 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-(2-Thienyl)propanoic acid?

The CAS number of 3-(2-Thienyl)propanoic acid is 5928-51-8.

What are the molecular formula and molecular weight of 3-(2-Thienyl)propanoic acid?

3-(2-Thienyl)propanoic acid has molecular formula C7H8O2S and molecular weight 156.202 g/mol.

Is 3-(2-Thienyl)propanoic acid hazardous?

3-(2-Thienyl)propanoic acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3-(2-Thienyl)propanoic acid (CAS 5928-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45570-1 (accessed 2026-10-22).

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