4-Chloro-7-methoxy-2-oxo-2H-chromene-3-carbaldehyde

4-氯-7-甲氧基-2-氧代-2H-色烯-3-甲醛

4-Chloro-7-methoxy-2-oxo-2H-chromene-3-carbaldehyde (CAS 122978-33-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H7ClO4 and a molecular weight of 238.62 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 122978-33-0
Jingsj CID: J-109787-2
Molecular Formula: C₁₁H₇ClO₄
Chinese Name: 4-氯-7-甲氧基-2-氧代-2H-色烯-3-甲醛
Molecular Weight: 238.62 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-Chloro-7-methoxy-2-oxo-2H-chromene-3-carbaldehyde?

The CAS number of 4-Chloro-7-methoxy-2-oxo-2H-chromene-3-carbaldehyde is 122978-33-0.

What are the molecular formula and molecular weight of 4-Chloro-7-methoxy-2-oxo-2H-chromene-3-carbaldehyde?

4-Chloro-7-methoxy-2-oxo-2H-chromene-3-carbaldehyde has molecular formula C11H7ClO4 and molecular weight 238.62 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. "4-Chloro-7-methoxy-2-oxo-2H-chromene-3-carbaldehyde (CAS 122978-33-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-109787-2 (accessed 2026-10-23).

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