2-[(1E)-2-(2-Chlorophenyl)ethenyl]-4H-1-benzopyran-4-one

2-[(1E)-2-(2-氯苯基)乙烯基]-4H-1-苯并吡喃-4-酮

2-[(1E)-2-(2-Chlorophenyl)ethenyl]-4H-1-benzopyran-4-one (CAS 213819-67-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H11ClO2 and a molecular weight of 282.7 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 213819-67-1
Jingsj CID: J-700305-5
Molecular Formula: C₁₇H₁₁ClO₂
Chinese Name: 2-[(1E)-2-(2-氯苯基)乙烯基]-4H-1-苯并吡喃-4-酮
Molecular Weight: 282.7 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-[(1E)-2-(2-Chlorophenyl)ethenyl]-4H-1-benzopyran-4-one?

The CAS number of 2-[(1E)-2-(2-Chlorophenyl)ethenyl]-4H-1-benzopyran-4-one is 213819-67-1.

What are the molecular formula and molecular weight of 2-[(1E)-2-(2-Chlorophenyl)ethenyl]-4H-1-benzopyran-4-one?

2-[(1E)-2-(2-Chlorophenyl)ethenyl]-4H-1-benzopyran-4-one has molecular formula C17H11ClO2 and molecular weight 282.7 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. "2-[(1E)-2-(2-Chlorophenyl)ethenyl]-4H-1-benzopyran-4-one (CAS 213819-67-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-700305-5 (accessed 2026-10-24).

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