Tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate

4-氧代-1-氧杂-9-氮杂螺[5.5]十一碳-2-烯-9-甲酸叔丁酯

Also known as: 1-Oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylic acid, 4-oxo-, 1,1-dimethylethyl ester, FCHGROUP FCH1664797, FCHGROUP FCH1664797(WX102669), tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate

Tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate (CAS 1346229-50-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H21NO4 and a molecular weight of 267.32 g/mol. It is also known as 1-Oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylic acid, 4-oxo-, 1,1-dimethylethyl ester, FCHGROUP FCH1664797 and FCHGROUP FCH1664797(WX102669). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1346229-50-2
Jingsj CID: J-971243-6
Molecular Formula: C₁₄H₂₁NO₄
Chinese Name: 4-氧代-1-氧杂-9-氮杂螺[5.5]十一碳-2-烯-9-甲酸叔丁酯
Molecular Weight: 267.32 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate?

The CAS number of Tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate is 1346229-50-2.

What are the molecular formula and molecular weight of Tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate?

Tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate has molecular formula C14H21NO4 and molecular weight 267.32 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Tert-butyl 4-oxo-1-oxa-9-azaspiro[5.5]undec-2-ene-9-carboxylate (CAS 1346229-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-971243-6 (accessed 2026-10-25).

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