4,4,5,5,5-Pentachloro-2-pentenoic acid

4,4,5,5,5-五氯-2-戊烯酸

4,4,5,5,5-Pentachloro-2-pentenoic acid (CAS 813-28-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl5O2 and a molecular weight of 272.3 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 813-28-5
Jingsj CID: J-316626-4
Molecular Formula: C₅H₃Cl₅O₂
Chinese Name: 4,4,5,5,5-五氯-2-戊烯酸
Molecular Weight: 272.3 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,4,5,5,5-Pentachloro-2-pentenoic acid?

The CAS number of 4,4,5,5,5-Pentachloro-2-pentenoic acid is 813-28-5.

What are the molecular formula and molecular weight of 4,4,5,5,5-Pentachloro-2-pentenoic acid?

4,4,5,5,5-Pentachloro-2-pentenoic acid has molecular formula C5H3Cl5O2 and molecular weight 272.3 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. "4,4,5,5,5-Pentachloro-2-pentenoic acid (CAS 813-28-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-316626-4 (accessed 2026-10-23).

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