5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone

Also known as: 2(3H)-Furanone,5-[(3,4-dihydroxyphenyl)methyl]dihydro-(9CI), 5-[(3,4-dihydroxyphenyl)methyl]oxolan-2-one, 5-(3,4-Dihydroxybenzyl)dihydrofuran-2(3H)-one, 5-(3',4'-Dihydroxyphenyl)-γ-valerolactone, Tetrahydro-5-(3,4-dihydroxybenzyl)-2-furanone

5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone (CAS 21618-92-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12O4 and a molecular weight of 208.211 g/mol. Key properties include a melting point of 145-146ºC, a boiling point of 468.4±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 190.6±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21618-92-8
Jingsj CID: J-1622236-9
Molecular Formula: C₁₁H₁₂O₄
Molecular Weight: 208.211 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	145-146ºC
Boiling Point	468.4±25.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	190.6±16.7 °C
Exact Mass	208.073563
PSA	66.76000
LogP	-0.01
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.619

Frequently Asked Questions

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

The CAS number of 5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone is 21618-92-8.

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

5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone has molecular formula C11H12O4 and molecular weight 208.211 g/mol.

What are the upstream and downstream products of 5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone?

For 5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone, Upstream Products: methyl 4-pentenoate, 4-Pentenoic acid, 4-Pentenoyl chloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone (CAS 21618-92-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1622236-9 (accessed 2026-11-09).

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