(5S)-1-ethyl-5-methylpiperazin-2-one

(5S)-1-乙基-5-甲基-2-哌嗪酮

Also known as: (5S)-1-Ethyl-5-methyl-2-piperazinone, (5S)-1-Ethyl-5-methyl-Piperazinone, (S)-1-ethyl-5-methylpiperazin-2-one, 2-Piperazinone, 1-ethyl-5-methyl-, (5S)-

(5S)-1-ethyl-5-methylpiperazin-2-one (CAS 869901-78-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H14N2O and a molecular weight of 142.19900 g/mol. It is also known as (5S)-1-Ethyl-5-methyl-2-piperazinone, (5S)-1-Ethyl-5-methyl-Piperazinone and (S)-1-ethyl-5-methylpiperazin-2-one. Key properties include a boiling point of 258.9ºC at 760 mmHg, a density of 0.963g/cm3 and a flash point of 110.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
869901-78-0
Jingsj CID
J-1493131-2
Molecular Formula
C7H14N2O
Chinese Name
(5S)-1-乙基-5-甲基-2-哌嗪酮
Molecular Weight
142.19900 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point258.9ºC at 760 mmHg
Density0.963g/cm3
Flash Point110.4ºC

Frequently Asked Questions

What is the CAS number of (5S)-1-ethyl-5-methylpiperazin-2-one?

The CAS number of (5S)-1-ethyl-5-methylpiperazin-2-one is 869901-78-0.

What are the molecular formula and molecular weight of (5S)-1-ethyl-5-methylpiperazin-2-one?

(5S)-1-ethyl-5-methylpiperazin-2-one has molecular formula C7H14N2O and molecular weight 142.19900 g/mol.

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

Last updated:

How to cite: Jingsj. "(5S)-1-ethyl-5-methylpiperazin-2-one (CAS 869901-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493131-2 (accessed 2026-10-25).

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