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(R)-1-Benzyl-5-methylpiperazin-2-one

(R)-1-苄基-5-甲基哌嗪-2-酮

Also known as: (5R)-1-Benzyl-5-methyl-piperazin-2-one, (5R)-5-Methyl-1-(phenylmethyl)-2-piperazinone, (5R)-5-methyl-1-(phenylmethyl)-2-piperazin-4-iumone, (R)-1-BENZYL-5-METHYLPIPERAZIN-2-ONE, 2-Piperazinone, 5-methyl-1-(phenylmethyl)-, (5R)-, Reaxys ID: 8617626, MFCD06799460

(R)-1-Benzyl-5-methylpiperazin-2-one (CAS 301541-47-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H16N2O and a molecular weight of 204.26800 g/mol. It is also known as (5R)-1-Benzyl-5-methyl-piperazin-2-one, (5R)-5-Methyl-1-(phenylmethyl)-2-piperazinone and (5R)-5-methyl-1-(phenylmethyl)-2-piperazin-4-iumone. Key properties include a boiling point of 380.9ºC at 760mmHg, a density of 1.084g/cm3 and a flash point of 184.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
301541-47-9
Jingsj CID
J-1169956-7
Molecular Formula
C12H16N2O
Chinese Name
(R)-1-苄基-5-甲基哌嗪-2-酮
Molecular Weight
204.26800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point380.9ºC at 760mmHg
Density1.084g/cm3
Flash Point184.1ºC

Frequently Asked Questions

What is the CAS number of (R)-1-Benzyl-5-methylpiperazin-2-one?

The CAS number of (R)-1-Benzyl-5-methylpiperazin-2-one is 301541-47-9.

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

(R)-1-Benzyl-5-methylpiperazin-2-one has molecular formula C12H16N2O and molecular weight 204.26800 g/mol.

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

Last updated:

How to cite: Jingsj. "(R)-1-Benzyl-5-methylpiperazin-2-one (CAS 301541-47-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1169956-7 (accessed 2026-10-25).

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