2-Chloropentan-3-one

2-氯-3-戊酮

Also known as: 2-Chloro-3-pentanone, 2-Chlor-pentan-3-on, 2-Cl-3-pentanone, 2-chloro-pentan-3-one, 3-Pentanone, 2-chloro-

2-Chloropentan-3-one (CAS 17042-21-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9ClO and a molecular weight of 120.57700 g/mol. It is also known as 2-Chloro-3-pentanone, 2-Chlor-pentan-3-on and 2-Cl-3-pentanone. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17042-21-6
Jingsj CID: J-1360204-6
Molecular Formula: C₅H₉ClO
Chinese Name: 2-氯-3-戊酮
Molecular Weight: 120.57700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-Chloropentan-3-one?

The CAS number of 2-Chloropentan-3-one is 17042-21-6.

What are the molecular formula and molecular weight of 2-Chloropentan-3-one?

2-Chloropentan-3-one has molecular formula C5H9ClO and molecular weight 120.57700 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-Chloropentan-3-one (CAS 17042-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360204-6 (accessed 2026-10-25).

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