4-Oxo-4-(2-thienyl)butyric acid

4-氧代-4-(2-噻吩基)丁酸

Also known as: 2-Thiophenebutanoic acid, γ-oxo-, 3-(2-Thenoyl)propionic acid, 3-(2-Thenoyl)-propionic acid, 3-(α-Thenoyl)propionic acid, 4-Oxo-4-(2-thienyl)butanoic acid, 4-Oxo-4-(thiophen-2-yl)butanoic acid, 4-Oxo-4-thien-2-ylbutanoic acid, γ-Oxo-2-thiophenebutanoic acid, 4-Oxo-4-thiophen-2-yl-butyric acid

4-Oxo-4-(2-thienyl)butyric acid (CAS 4653-08-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O3S and a molecular weight of 184.21200 g/mol. It is also known as 2-Thiophenebutanoic acid, γ-oxo-, 3-(2-Thenoyl)propionic acid and 3-(2-Thenoyl)-propionic acid. Key properties include a melting point of 118-121 °C(lit.), a boiling point of 400.5ºC at 760mmHg, a density of 1.334g/cm3 and a flash point of 196ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4653-08-1
Jingsj CID
J-43980-4
Molecular Formula
C8H8O3S
Chinese Name
4-氧代-4-(2-噻吩基)丁酸
Molecular Weight
184.21200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point118-121 °C(lit.)
Boiling Point400.5ºC at 760mmHg
Density1.334g/cm3
Flash Point196ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Oxo-4-(2-thienyl)butyric acid?

The CAS number of 4-Oxo-4-(2-thienyl)butyric acid is 4653-08-1.

What are the molecular formula and molecular weight of 4-Oxo-4-(2-thienyl)butyric acid?

4-Oxo-4-(2-thienyl)butyric acid has molecular formula C8H8O3S and molecular weight 184.21200 g/mol.

Is 4-Oxo-4-(2-thienyl)butyric acid hazardous?

4-Oxo-4-(2-thienyl)butyric acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-Oxo-4-(2-thienyl)butyric acid (CAS 4653-08-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43980-4 (accessed 2026-10-22).

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