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2-Pyrrolidinone, 5-(4-morpholinylcarbonyl)-

5-(吗啉-4-羰基)吡咯烷-2-酮

Also known as: 4-[(5-oxo-2-pyrrolidinyl)carbonyl]morpholine, 5-(morpholin-4-ylcarbonyl)pyrrolidin-2-one, 5-(morpholine-4-carbonyl)pyrrolidin-2-one, EINECS 257-552-2, 4-[(5-oxopyrrolidin-2-yl)carbonyl]morpholine

2-Pyrrolidinone, 5-(4-morpholinylcarbonyl)- (CAS 51959-85-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14N2O3 and a molecular weight of 198.21900 g/mol. It is also known as 4-[(5-oxo-2-pyrrolidinyl)carbonyl]morpholine, 5-(morpholin-4-ylcarbonyl)pyrrolidin-2-one and 5-(morpholine-4-carbonyl)pyrrolidin-2-one. Key properties include a boiling point of 492.4ºC at 760mmHg, a density of 1.261g/cm3 and a flash point of 251.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51959-85-4
Jingsj CID
J-1084518-7
Molecular Formula
C9H14N2O3
Chinese Name
5-(吗啉-4-羰基)吡咯烷-2-酮
Molecular Weight
198.21900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point492.4ºC at 760mmHg
Density1.261g/cm3
Flash Point251.6ºC

Frequently Asked Questions

What is the CAS number of 2-Pyrrolidinone, 5-(4-morpholinylcarbonyl)-?

The CAS number of 2-Pyrrolidinone, 5-(4-morpholinylcarbonyl)- is 51959-85-4.

What are the molecular formula and molecular weight of 2-Pyrrolidinone, 5-(4-morpholinylcarbonyl)-?

2-Pyrrolidinone, 5-(4-morpholinylcarbonyl)- has molecular formula C9H14N2O3 and molecular weight 198.21900 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Pyrrolidinone, 5-(4-morpholinylcarbonyl)- (CAS 51959-85-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084518-7 (accessed 2026-10-25).

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