Methyl (2H-1,4-benzoxazin-3(4H)-one-2-yl)acetate

(2H-1,4-苯并噁嗪-3(4H)-酮-2-基)乙酸甲酯

Also known as: methyl 2-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-yl)acetate, methyl (3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl)acetate, methyl 2-(3-oxo-4H-1,4-benzoxazin-2-yl)acetate, methyl (3-oxo-2,3-dihydro-4H-1,4-benzoxazin-2-yl)acetate, 2,3-Dihydro-3-oxo-2H-1,4-benzoxazinacetat, Methyl (2H-1,4-benzoxazin-3(4H)-one-2-yl) acetate, methyl (3'-oxo-3',4'-dihydro-2'H-1',4'-benzoxazin-2'-yl)acetate, BB_SC-5838, MFCD03427107

Methyl (2H-1,4-benzoxazin-3(4H)-one-2-yl)acetate (CAS 73219-44-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H11NO4 and a molecular weight of 221.20900 g/mol. It is also known as methyl 2-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-yl)acetate, methyl (3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl)acetate and methyl 2-(3-oxo-4H-1,4-benzoxazin-2-yl)acetate. Key properties include a melting point of 144-147ºC(lit.), a boiling point of 391.6ºC at 760 mmHg, a density of 1.246g/cm3 and a flash point of 190.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

73219-44-0

Jingsj CID

J-37553-3

Molecular Formula

C₁₁H₁₁NO₄

Chinese Name

(2H-1,4-苯并噁嗪-3(4H)-酮-2-基)乙酸甲酯

Molecular Weight

221.20900 g/mol

Category

Organic Acids

Last updated

8/21/2026