tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate

1-氧杂-4-氮杂螺[5.5]十一烷-4-羧酸叔丁酯

Also known as: 4-Boc-1-oxa-4-azaspiro[5.5]undecane, 1-oxa-4-azaspiro[5.5]undecane-4-carboxylic acid, 1,1-dimethylethyl ester, tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate(WXC07266)

tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate (CAS 271245-38-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H25NO3 and a molecular weight of 255.35300 g/mol. It is also known as 4-Boc-1-oxa-4-azaspiro[5.5]undecane, 1-oxa-4-azaspiro[5.5]undecane-4-carboxylic acid, 1,1-dimethylethyl ester and tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate(WXC07266). Key properties include a boiling point of 350.7ºC at 760mmHg, a density of 1.06g/cm3 and a flash point of 165.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
271245-38-6
Jingsj CID
J-1315958-2
Molecular Formula
C14H25NO3
Chinese Name
1-氧杂-4-氮杂螺[5.5]十一烷-4-羧酸叔丁酯
Molecular Weight
255.35300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point350.7ºC at 760mmHg
Density1.06g/cm3
Flash Point165.9ºC

Frequently Asked Questions

What is the CAS number of tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate?

The CAS number of tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate is 271245-38-6.

What are the molecular formula and molecular weight of tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate?

tert-butyl 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate has molecular formula C14H25NO3 and molecular weight 255.35300 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 1-oxa-4-azaspiro[5.5]undecane-4-carboxylate (CAS 271245-38-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1315958-2 (accessed 2026-10-24).

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