Benzyl 2-oxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate

2-氧代-3-噁-9-氮杂螺[5.5]十一烷-9-羧酸苯甲酯

Also known as: 3-Oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 2-oxo-, phenylmethyl ester, 9-Benzyloxycarbonyl-2-oxo-3-oxa-9-azaspiro[5.5]undecane

Benzyl 2-oxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate (CAS 367282-79-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H21NO4 and a molecular weight of 303.35300 g/mol. It is also known as 3-Oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 2-oxo-, phenylmethyl ester and 9-Benzyloxycarbonyl-2-oxo-3-oxa-9-azaspiro[5.5]undecane. Key properties include a boiling point of 497.8ºC at 760 mmHg and a density of 1.23g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 367282-79-9
Jingsj CID: J-1501772-3
Molecular Formula: C₁₇H₂₁NO₄
Chinese Name: 2-氧代-3-噁-9-氮杂螺[5.5]十一烷-9-羧酸苯甲酯
Molecular Weight: 303.35300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	497.8ºC at 760 mmHg
Density	1.23g/cm3

Frequently Asked Questions

What is the CAS number of Benzyl 2-oxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate?

The CAS number of Benzyl 2-oxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate is 367282-79-9.

What are the molecular formula and molecular weight of Benzyl 2-oxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate?

Benzyl 2-oxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate has molecular formula C17H21NO4 and molecular weight 303.35300 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. "Benzyl 2-oxo-3-oxa-9-azaspiro[5.5]undecane-9-carboxylate (CAS 367282-79-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501772-3 (accessed 2026-10-24).

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