Benzyl 3-oxoazetidine-1-carboxylate

Also known as: 1-Cbz-3-azetidinone, N-CBZ-3-OXOAZETIDINE, 1-(Benzyloxycarbonyl)azetidin-3-one, 3-Oxo-azetidine-1-carboxylic acid benzyl ester, Azetidin-3-one, N-CBZ protected, Benzyl 3-oxo-1-azetidinecarboxylate, 1-Azetidinecarboxylic acid, 3-oxo-, phenylmethyl ester

Benzyl 3-oxoazetidine-1-carboxylate (CAS 105258-93-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H11NO3 and a molecular weight of 205.210 g/mol. Key properties include a boiling point of 356.5±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 169.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 105258-93-3
Jingsj CID: J-1179101-8
Molecular Formula: C₁₁H₁₁NO₃
Molecular Weight: 205.210 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	356.5±42.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	169.4±27.9 °C
Exact Mass	205.073898
PSA	46.61000
LogP	0.28
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.591
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Benzyl 3-oxoazetidine-1-carboxylate?

The CAS number of Benzyl 3-oxoazetidine-1-carboxylate is 105258-93-3.

What are the molecular formula and molecular weight of Benzyl 3-oxoazetidine-1-carboxylate?

Benzyl 3-oxoazetidine-1-carboxylate has molecular formula C11H11NO3 and molecular weight 205.210 g/mol.

What are the upstream and downstream products of Benzyl 3-oxoazetidine-1-carboxylate?

For Benzyl 3-oxoazetidine-1-carboxylate, Upstream Products: Benzyl 3-hydroxyazetidine-1-carboxylate, 1-Benzhydrylazetidin-3-one, N-Carbobenzyloxyglycine; Downstream Products: benzyl 3-methyleneazetidine-1-carboxylate, tert-butyl 2-(1-(benzyloxycarbonyl)-3-hydroxyazetidin-3-yl)piperidine-1-carboxylate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Benzyl 3-oxoazetidine-1-carboxylate (CAS 105258-93-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179101-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.