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4-(4-Fluorobenzoyl)butyric acid

Also known as: 5-(4-Fluorophenyl)-5-oxopentanoic acid, 4-(4-Fluorobenzoyl)-1-butanoic acid, 4-(4-Fluorophenyl)butyric acid, 4-Fluoro benzoyl butyric acid, 5-(4-Fluorophenyl)-5-oxovaleric acid, Benzenepentanoic acid, 4-fluoro-δ-oxo-

4-(4-Fluorobenzoyl)butyric acid (CAS 149437-76-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H11FO3 and a molecular weight of 210.202 g/mol. Key properties include a melting point of 142-144°C, a boiling point of 394.6±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 192.5±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
149437-76-3
Jingsj CID
J-20208-4
Molecular Formula
C11H11FO3
Molecular Weight
210.202 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point142-144°C
Boiling Point394.6±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point192.5±22.3 °C
Exact Mass210.069229
PSA54.37000
LogP1.54
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.523

Customs & Trade Information

HS Code2918300090
Summary2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-(4-Fluorobenzoyl)butyric acid?

The CAS number of 4-(4-Fluorobenzoyl)butyric acid is 149437-76-3.

What are the molecular formula and molecular weight of 4-(4-Fluorobenzoyl)butyric acid?

4-(4-Fluorobenzoyl)butyric acid has molecular formula C11H11FO3 and molecular weight 210.202 g/mol.

What are the upstream and downstream products of 4-(4-Fluorobenzoyl)butyric acid?

For 4-(4-Fluorobenzoyl)butyric acid, Upstream Products: Glutaric anhydride, Fluorobenzene, 5,5'-oxybis(5-oxopentanoic acid); Downstream Products: (4S)-3-[5-(4-Fluorophenyl)-1,5-dioxopentyl]-4-phenyl-2-oxazolidinone.

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

Last updated:

How to cite: Jingsj. "4-(4-Fluorobenzoyl)butyric acid (CAS 149437-76-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20208-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.