Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene- (9CI)

(9CI)-六氢-2-甲基-3-亚甲基吡咯并[1,2-a]吡嗪-1,4-二酮

Also known as: 2-methyl-3-methylene-hexahydro-pyrrolo[1,2-a]pyrazine-1,4-dione, 2-methyl-3-methylidene-6,7,8,8a-tetrahydropyrrolo[1,2-a]pyrazine-1,4-dione, 2-methyl-3-methylen-2,3,6,7,8,8a-hexahydropyrrolo<1,2-a>pyrazin-1,4-dion, Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene-

Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene- (9CI) (CAS 57138-42-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H12N2O2 and a molecular weight of 180.20400 g/mol. It is also known as 2-methyl-3-methylene-hexahydro-pyrrolo[1,2-a]pyrazine-1,4-dione, 2-methyl-3-methylidene-6,7,8,8a-tetrahydropyrrolo[1,2-a]pyrazine-1,4-dione and 2-methyl-3-methylen-2,3,6,7,8,8a-hexahydropyrrolo<1,2-a>pyrazin-1,4-dion. Key properties include a boiling point of 438ºC at 760mmHg, a density of 1.25g/cm3 and a flash point of 227.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
57138-42-8
Jingsj CID
J-1570489-4
Molecular Formula
C9H12N2O2
Chinese Name
(9CI)-六氢-2-甲基-3-亚甲基吡咯并[1,2-a]吡嗪-1,4-二酮
Molecular Weight
180.20400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point438ºC at 760mmHg
Density1.25g/cm3
Flash Point227.6ºC

Frequently Asked Questions

What is the CAS number of Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene- (9CI)?

The CAS number of Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene- (9CI) is 57138-42-8.

What are the molecular formula and molecular weight of Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene- (9CI)?

Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene- (9CI) has molecular formula C9H12N2O2 and molecular weight 180.20400 g/mol.

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

Last updated:

How to cite: Jingsj. "Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-methyl-3-methylene- (9CI) (CAS 57138-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1570489-4 (accessed 2026-10-24).

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