L-Azetidine-2-carboxylic acid

L-氮杂环丁烷-2-羧酸

Also known as: (S)-(-)-2-Azetidinecarboxylic acid, (S)-Azetidine-2-carboxylic acid, (2S)-Azetidine-2-carboxylic acid, L-2-Azetidinecarboxylic acid, L-Trimethyleneimine-2-carboxylic acid, Azetidyl-2-carboxylic acid, N,3-Methylene-L-alanine, MFCD00005166, EINECS 218-362-5, L-Azetidine-2-carboxylic Acid [Antagonist of L-Proline]

L-Azetidine-2-carboxylic acid (CAS 2133-34-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7NO2 and a molecular weight of 101.104 g/mol. It is also known as (S)-(-)-2-Azetidinecarboxylic acid, (S)-Azetidine-2-carboxylic acid and (2S)-Azetidine-2-carboxylic acid. Key properties include a melting point of 206-207 ºC, a boiling point of 242.0±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 100.1±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2133-34-8
Jingsj CID
J-40460-4
Molecular Formula
C4H7NO2
Chinese Name
L-氮杂环丁烷-2-羧酸
Molecular Weight
101.104 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point206-207 ºC
Boiling Point242.0±33.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point100.1±25.4 °C

Frequently Asked Questions

What is the CAS number of L-Azetidine-2-carboxylic acid?

The CAS number of L-Azetidine-2-carboxylic acid is 2133-34-8.

What are the molecular formula and molecular weight of L-Azetidine-2-carboxylic acid?

L-Azetidine-2-carboxylic acid has molecular formula C4H7NO2 and molecular weight 101.104 g/mol.

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

Last updated:

How to cite: Jingsj. "L-Azetidine-2-carboxylic acid (CAS 2133-34-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40460-4 (accessed 2026-10-22).

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