Imidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl-

2-苯基咪唑并[1,2-a]吡嗪-3(7H)-酮

Also known as: 2-Phenylimidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl-7H-imidazo[1,2-a]pyrazin-3-one, 2-phenyl-3,7-dihydroimidazo[1,2-a]pyrazin-3-one, 3,7-Dihydro-2-phenylimidazo[1,2-a]pyrazin-3-one, 2-Phenyl-3,7-dihydroimidazo<1.2-a>pyrazinon-(3)

Imidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl- (CAS 27955-58-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H9N3O and a molecular weight of 211.21900 g/mol. It is also known as 2-Phenylimidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl-7H-imidazo[1,2-a]pyrazin-3-one and 2-phenyl-3,7-dihydroimidazo[1,2-a]pyrazin-3-one. Key properties include a boiling point of 319.9ºC at 760mmHg, a density of 1.33g/cm3 and a flash point of 147.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27955-58-4
Jingsj CID
J-1082140-6
Molecular Formula
C12H9N3O
Chinese Name
2-苯基咪唑并[1,2-a]吡嗪-3(7H)-酮
Molecular Weight
211.21900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point319.9ºC at 760mmHg
Density1.33g/cm3
Flash Point147.3ºC

Frequently Asked Questions

What is the CAS number of Imidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl-?

The CAS number of Imidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl- is 27955-58-4.

What are the molecular formula and molecular weight of Imidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl-?

Imidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl- has molecular formula C12H9N3O and molecular weight 211.21900 g/mol.

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

Last updated:

How to cite: Jingsj. "Imidazo[1,2-a]pyrazin-3(7H)-one, 2-phenyl- (CAS 27955-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1082140-6 (accessed 2026-10-22).

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