4,5-Dihydro-5-(4-fluorophenyl)-2(3H)-furanone

5-(4-氟苯基)-4,5-二氢-2(3H)-呋喃酮

Also known as: 2(3H)-Furanone, 5-(4-fluorophenyl)dihydro-, 4,5-DIHYDRO-5-(4-FLUOROPHENYL)-2(3H)-FURANONE, 5-(4-Fluorophenyl)dihydro-2(3H)-furanone, 5-(4-Fluorophenyl)-dihydro-2(3H)furanone, 5-(4-fluorophenyl)oxolan-2-one, gamma-(4-Fluorophenyl)-gamma-butyrolactone, gamma-(4-Fluorophenyl)-butyrolactone, 4-(4-Fluorophenyl)butyrolactone

4,5-Dihydro-5-(4-fluorophenyl)-2(3H)-furanone (CAS 51787-96-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9FO2 and a molecular weight of 180.17600 g/mol. It is also known as 2(3H)-Furanone, 5-(4-fluorophenyl)dihydro-, 4,5-DIHYDRO-5-(4-FLUOROPHENYL)-2(3H)-FURANONE and 5-(4-Fluorophenyl)dihydro-2(3H)-furanone. Key properties include a melting point of -118 °C, a boiling point of 35 °C, a density of 0.899 g/mL at 25 °C(lit.) and a flash point of −31 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51787-96-3
Jingsj CID
J-43111-0
Molecular Formula
C10H9FO2
Chinese Name
5-(4-氟苯基)-4,5-二氢-2(3H)-呋喃酮
Molecular Weight
180.17600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-118 °C
Boiling Point35 °C
Density0.899 g/mL at 25 °C(lit.)
Flash Point−31 °F

Frequently Asked Questions

What is the CAS number of 4,5-Dihydro-5-(4-fluorophenyl)-2(3H)-furanone?

The CAS number of 4,5-Dihydro-5-(4-fluorophenyl)-2(3H)-furanone is 51787-96-3.

What are the molecular formula and molecular weight of 4,5-Dihydro-5-(4-fluorophenyl)-2(3H)-furanone?

4,5-Dihydro-5-(4-fluorophenyl)-2(3H)-furanone has molecular formula C10H9FO2 and molecular weight 180.17600 g/mol.

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

Last updated:

How to cite: Jingsj. "4,5-Dihydro-5-(4-fluorophenyl)-2(3H)-furanone (CAS 51787-96-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43111-0 (accessed 2026-10-22).

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