1-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-2-chloroethanone

1-[4-(1,3-苯并二氧戊环-5-基甲基)哌嗪-1-基]-2-氯乙酮

Also known as: ethanone, 1-[4-(1,3-benzodioxol-5-ylmethyl)-1-piperazinyl]-2-chloro-, piperazine, 1-(1,3-benzodioxol-5-ylmethyl)-4-(chloroacetyl)-, 1-chloroacetyl-4-piperonylpiperazine, Monochloracetylpiperonylpiperazin, 1-benzo[1,3]dioxol-5-ylmethyl-4-chloroacetyl-piperazine

1-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-2-chloroethanone (CAS 38740-33-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H18Cl2N2O3 and a molecular weight of 333.21000 g/mol. It is also known as ethanone, 1-[4-(1,3-benzodioxol-5-ylmethyl)-1-piperazinyl]-2-chloro-, piperazine, 1-(1,3-benzodioxol-5-ylmethyl)-4-(chloroacetyl)- and 1-chloroacetyl-4-piperonylpiperazine. Key properties include a boiling point of 444.7ºC at 760 mmHg and a flash point of 222.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38740-33-9
Jingsj CID
J-1088377-4
Molecular Formula
C14H18Cl2N2O3
Chinese Name
1-[4-(1,3-苯并二氧戊环-5-基甲基)哌嗪-1-基]-2-氯乙酮
Molecular Weight
333.21000 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point444.7ºC at 760 mmHg
Flash Point222.8ºC

Frequently Asked Questions

What is the CAS number of 1-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-2-chloroethanone?

The CAS number of 1-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-2-chloroethanone is 38740-33-9.

What are the molecular formula and molecular weight of 1-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-2-chloroethanone?

1-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-2-chloroethanone has molecular formula C14H18Cl2N2O3 and molecular weight 333.21000 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-2-chloroethanone (CAS 38740-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088377-4 (accessed 2026-10-25).

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