Benzyl (S)-(-)-4-oxo-2-azetidinecarboxylate

(S)-4-氧代-2-氮杂环丁烷羧酸苄酯

Also known as: (S)-Benzyl 2-azetidinone-4-carboxylate, (S)-Benzyl 4-oxoazetidine-2-carboxylate, Benzyl (S)-4-oxo-2-azetidinecarboxylate, (S)-2-Azetidinone-4-carboxylic acid benzyl ester, AKOS 91388, BENZYL (S)-(-)-4-OXO-2-AZETIDINECARBOXYLATE, BENZYL (S)-4-OXO-2-AZETIDINECARBOXYLATE, MFCD00798164, benzyl (2S)-4-oxoazetidine-2-carboxylate

CAS No.: 72776-05-7
Jingsj CID: J-35379-7
Molecular Formula: C₁₁H₁₁NO₃
Chinese Name: (S)-4-氧代-2-氮杂环丁烷羧酸苄酯
Molecular Weight: 205.21000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	137-140ºC(lit.)
Boiling Point	404.7ºC at 760 mmHg
Density	1.268 g/cm3
Flash Point	198.5ºC

Frequently Asked Questions

What is the CAS number of Benzyl (S)-(-)-4-oxo-2-azetidinecarboxylate?

72776-05-7

What are the molecular formula and molecular weight of Benzyl (S)-(-)-4-oxo-2-azetidinecarboxylate?

C11H11NO3, molecular weight 205.21000 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026