4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid

4-甲基-3-氧代-3,4-二氢-2H-苯并[1,4]噁嗪-6-羧酸

Also known as: 3,4-dihydro-4-methyl-3-oxo-2H-benzo[b][1,4]oxazine-6-carboxylic acid, 3-keto-4-methyl-1,4-benzoxazine-6-carboxylic acid, 4-methyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carboxylic acid, 4-methyl-3-oxo-1,4-benzoxazine-6-carboxylic acid, 4-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylic acid

4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid (CAS 861338-27-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO4 and a molecular weight of 207.18300 g/mol. It is also known as 3,4-dihydro-4-methyl-3-oxo-2H-benzo[b][1,4]oxazine-6-carboxylic acid, 3-keto-4-methyl-1,4-benzoxazine-6-carboxylic acid and 4-methyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carboxylic acid. Key properties include a boiling point of 525.6ºC at 760 mmHg, a density of 1.405g/cm3 and a flash point of 271.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

861338-27-4

Jingsj CID

J-1447747-4

Molecular Formula

C₁₀H₉NO₄

Chinese Name

4-甲基-3-氧代-3,4-二氢-2H-苯并[1,4]噁嗪-6-羧酸

Molecular Weight

207.18300 g/mol

Category

Organic Acids

Last updated

8/21/2026