1,3-dihydro-2H-imidazo[4,5-b]pyrazin-2-one

1,3-二氢-2H-咪唑并[4,5-b]吡嗪-2-酮

Also known as: 2H-Imidazo[4,5-b]pyrazin-2-one, 1,3-dihydro-, 1,3-dihydroimidazo[4,5-b]pyrazin-2-one, 1H-imidazo[4,5-b]pyrazin-2(3H)-one, 1H-imidazo[4,5-b]pyrazin-2-ol, 1,3-Dihydro-2H-imidazo[4,5-b]pyrazin-2-one

1,3-dihydro-2H-imidazo[4,5-b]pyrazin-2-one (CAS 16328-63-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4O and a molecular weight of 136.11100 g/mol. It is also known as 2H-Imidazo[4,5-b]pyrazin-2-one, 1,3-dihydro-, 1,3-dihydroimidazo[4,5-b]pyrazin-2-one and 1H-imidazo[4,5-b]pyrazin-2(3H)-one. Key properties include a boiling point of 153.4ºC at 760mmHg, a density of 1.455g/cm3 and a flash point of 46.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

16328-63-5

Jingsj CID

J-995561-5

Molecular Formula

C₅H₄N₄O

Chinese Name

1,3-二氢-2H-咪唑并[4,5-b]吡嗪-2-酮

Molecular Weight

136.11100 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026