(E)-1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one

2',4-二羟基-3-甲氧基查耳酮

Also known as: 2',4-dihydroxy-3-methoxychalcone, 4,2'-dihydroxy-3-methoxychalcone, 2',4'-dihydroxy-3-O-methylchalcone, (E)-3-(4-hydroxy-3-methoxyphenyl)-1-(2-hydroxyphenyl)prop-2-en-1-one, 2-Propen-1-one, 1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)-, (2E)-

(E)-1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one (CAS 220430-82-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H14O4 and a molecular weight of 270.28000 g/mol. It is also known as 2',4-dihydroxy-3-methoxychalcone, 4,2'-dihydroxy-3-methoxychalcone and 2',4'-dihydroxy-3-O-methylchalcone. Key property: a melting point of 127-129ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 220430-82-0
Jingsj CID: J-1458723-0
Molecular Formula: C₁₆H₁₄O₄
Chinese Name: 2',4-二羟基-3-甲氧基查耳酮
Molecular Weight: 270.28000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	127-129ºC

Frequently Asked Questions

What is the CAS number of (E)-1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one?

The CAS number of (E)-1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one is 220430-82-0.

What are the molecular formula and molecular weight of (E)-1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one?

(E)-1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one has molecular formula C16H14O4 and molecular weight 270.28000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(E)-1-(2,4-dihydroxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one (CAS 220430-82-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1458723-0 (accessed 2026-10-25).

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