1-phenyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione

1-苯基-1H-吡啶并[2,3-d][1,3]噁嗪-2,4-二酮

Also known as: 2H-Pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-phenyl-, 1-phenylpyrido[2,3-d][1,3]oxazine-2,4-dione, 1-phenyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 2,4-dioxo-1-phenyl-1,4-dihydro-2H-pyrido[2,3-d]oxazine, N-phenyl-3-azaisatoic anhydride

1-phenyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione (CAS 138305-19-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H8N2O3 and a molecular weight of 240.21400 g/mol. It is also known as 2H-Pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-phenyl-, 1-phenylpyrido[2,3-d][1,3]oxazine-2,4-dione and 1-phenyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione. Key properties include a boiling point of 419.343ºC at 760 mmHg and a flash point of 207.412ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

138305-19-8

Jingsj CID

J-846754-4

Molecular Formula

C₁₃H₈N₂O₃

Chinese Name

1-苯基-1H-吡啶并[2,3-d][1,3]噁嗪-2,4-二酮

Molecular Weight

240.21400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026