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

8-甲氧基-3-氧代-3,4-二氢-2H-1,4-苯并噁嗪-6-羧酸

Also known as: 2H-1,4-Benzoxazine-6-carboxylic acid, 3,4-dihydro-8-methoxy-3-oxo-, 3-keto-8-methoxy-4H-1,4-benzoxazine-6-carboxylic acid, 8-Methoxy-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylic acid, 8-methoxy-3-oxo-2H,4H-benzo[e]1,4-oxazaperhydroine-6-carboxylic acid, 8-methoxy-3-oxo-4H-1,4-benzoxazine-6-carboxylic acid, NSC 17325

8-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid (CAS 5446-56-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO5 and a molecular weight of 223.18200 g/mol. It is also known as 2H-1,4-Benzoxazine-6-carboxylic acid, 3,4-dihydro-8-methoxy-3-oxo-, 3-keto-8-methoxy-4H-1,4-benzoxazine-6-carboxylic acid and 8-Methoxy-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylic acid. Key properties include a boiling point of 478.5ºC at 760 mmHg, a density of 1.427g/cm3 and a flash point of 243.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5446-56-0

Jingsj CID

J-870709-1

Molecular Formula

C₁₀H₉NO₅

Chinese Name

8-甲氧基-3-氧代-3,4-二氢-2H-1,4-苯并噁嗪-6-羧酸

Molecular Weight

223.18200 g/mol

Category

Organic Acids

Last updated

8/21/2026