4,4'-Dimethoxychalcone

Also known as: (E)-1,3-bis(4-methoxyphenyl)prop-2-en-1-one, 1,3-Bis(4-methoxyphenyl)prop-2-en-1-one, 4,4'-Dimethoxychalkon, 4,4'-Dimethoxybenzylideneacetophenone, Nsc 87339

4,4'-Dimethoxychalcone (CAS 2373-89-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H16O3 and a molecular weight of 268.30700 g/mol. Key properties include a melting point of 101°C, a boiling point of 444.6ºC at 760 mmHg, a density of 1.128g/cm3 and a flash point of 214.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2373-89-9
Jingsj CID: J-32954-4
Molecular Formula: C₁₇H₁₆O₃
Molecular Weight: 268.30700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	101°C
Boiling Point	444.6ºC at 760 mmHg
Density	1.128g/cm3
Flash Point	214.6ºC
Exact Mass	268.11000
PSA	35.53000
LogP	3.59990
Vapor Pressure	4.23E-08mmHg at 25°C
Refractive Index	1.591

Activity & Biological Data

Target	Autophagy[1]
Additional Information	[1]. Carmona-Gutierrez D, et al. The flavonoid 4,4'-dimethoxychalcone promotes autophagy-dependent longevity across species. Nat Commun. 2019 Feb 19;10(1):651.

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-Dimethoxychalcone?

The CAS number of 4,4'-Dimethoxychalcone is 2373-89-9.

What are the molecular formula and molecular weight of 4,4'-Dimethoxychalcone?

4,4'-Dimethoxychalcone has molecular formula C17H16O3 and molecular weight 268.30700 g/mol.

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. "4,4'-Dimethoxychalcone (CAS 2373-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32954-4 (accessed 2026-11-09).

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