tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate

2,4-二氧代-3-氧杂-9-氮杂螺[5.5]十一烷-9-羧酸叔丁酯

Also known as: 2-methyl-2-propanyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate, 3-oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 2,4-dioxo-, 1,1-dimethylethyl ester, 9-Boc-2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane

tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate (CAS 1140029-11-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H21NO5 and a molecular weight of 283.32000 g/mol. It is also known as 2-methyl-2-propanyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate, 3-oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 2,4-dioxo-, 1,1-dimethylethyl ester and 9-Boc-2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1140029-11-3
Jingsj CID
J-1143549-7
Molecular Formula
C14H21NO5
Chinese Name
2,4-二氧代-3-氧杂-9-氮杂螺[5.5]十一烷-9-羧酸叔丁酯
Molecular Weight
283.32000 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate?

The CAS number of tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate is 1140029-11-3.

What are the molecular formula and molecular weight of tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate?

tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate has molecular formula C14H21NO5 and molecular weight 283.32000 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tert-butyl 2,4-dioxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate (CAS 1140029-11-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1143549-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.