ethyl 5-(tert-butoxycarbonylamino)isoxazole-3-carboxylate

5-(叔丁氧基羰基氨基)异噁唑-3-羧酸乙酯

Also known as: 5-[[(1,1-dimethylethoxy)carbonyl]amino]-3-isoxazolecarboxylic acid ethyl ester, ethyl 5-{[(2-methyl-2-propanyl)oxy]carbonylamino}-1,2-oxazole-3-carboxylate, ethyl 5-[(2-methylpropan-2-yl)oxycarbonylamino]-1,2-oxazole-3-carboxylate, ethyl 5-((tert-butoxycarbonyl)amino)isoxazole-3-carboxylate

ethyl 5-(tert-butoxycarbonylamino)isoxazole-3-carboxylate (CAS 138742-18-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H16N2O5 and a molecular weight of 256.255 g/mol. It is also known as 5-[[(1,1-dimethylethoxy)carbonyl]amino]-3-isoxazolecarboxylic acid ethyl ester, ethyl 5-{[(2-methyl-2-propanyl)oxy]carbonylamino}-1,2-oxazole-3-carboxylate and ethyl 5-[(2-methylpropan-2-yl)oxycarbonylamino]-1,2-oxazole-3-carboxylate. Key properties include a boiling point of 333.8±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 155.7±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

138742-18-4

Jingsj CID

J-1124427-1

Molecular Formula

C₁₁H₁₆N₂O₅

Chinese Name

5-(叔丁氧基羰基氨基)异噁唑-3-羧酸乙酯

Molecular Weight

256.255 g/mol

Category

Organic Acids

Last updated

8/21/2026