1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione

1-甲基-2H-吡啶并[2,3-d][1,3]噁嗪-2,4(1H)-二酮

Also known as: 1-Methyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione, 1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-methyl-1H-4H-pyrido[2,3-d][1,3]oxazine-2,4-dione, 1-methylpyrido[2,3-d][1,3]oxazine-2,4-dione, 2H-Pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-methyl-, N-methyl 2H-pyrido[2,3-d][1,3]oxazine-2,4-1H-dione, N-methyl 3-azaisatoic anhydride

1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione (CAS 53890-44-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O3 and a molecular weight of 178.14500 g/mol. It is also known as 1-Methyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione, 1-methyl-1H-4H-pyrido[2,3-d][1,3]oxazine-2,4-dione and 1-methylpyrido[2,3-d][1,3]oxazine-2,4-dione. Key properties include a boiling point of 331.217ºC at 760 mmHg, a density of 1.43g/cm3 and a flash point of 154.115ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

53890-44-1

Jingsj CID

J-1500813-8

Molecular Formula

C₈H₆N₂O₃

Chinese Name

1-甲基-2H-吡啶并[2,3-d][1,3]噁嗪-2,4(1H)-二酮

Molecular Weight

178.14500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026