5-(4-Chlorophenyl)-5-oxopentanoic acid

5-(4-氯苯基)-5-氧代戊酸

Also known as: 3-(p-Chlorobenzoyl)butyric acid, 5-(4-chlorophenyl)-5-oxopentanoate, Benzenepentanoic acid, 4-chloro-δ-oxo-, 5-(4-Chlorophenyl)-5-oxovaleric acid, 3-(4-chlorobenzoyl)butanoic acid

5-(4-Chlorophenyl)-5-oxopentanoic acid (CAS 36978-49-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H11ClO3 and a molecular weight of 226.65600 g/mol. It is also known as 3-(p-Chlorobenzoyl)butyric acid, 5-(4-chlorophenyl)-5-oxopentanoate and Benzenepentanoic acid, 4-chloro-δ-oxo-. Key properties include a melting point of 82-83ºC, a boiling point of 407.6ºC at 760 mmHg, a density of 1.277g/cm3 and a flash point of 200.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 36978-49-1
Jingsj CID: J-29985-3
Molecular Formula: C₁₁H₁₁ClO₃
Chinese Name: 5-(4-氯苯基)-5-氧代戊酸
Molecular Weight: 226.65600 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	82-83ºC
Boiling Point	407.6ºC at 760 mmHg
Density	1.277g/cm3
Flash Point	200.3ºC

Frequently Asked Questions

What is the CAS number of 5-(4-Chlorophenyl)-5-oxopentanoic acid?

The CAS number of 5-(4-Chlorophenyl)-5-oxopentanoic acid is 36978-49-1.

What are the molecular formula and molecular weight of 5-(4-Chlorophenyl)-5-oxopentanoic acid?

5-(4-Chlorophenyl)-5-oxopentanoic acid has molecular formula C11H11ClO3 and molecular weight 226.65600 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. "5-(4-Chlorophenyl)-5-oxopentanoic acid (CAS 36978-49-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29985-3 (accessed 2026-10-24).

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