Molecule structure of DL-Azetidine-2-carboxylic acid (CAS NO.20063-89-2):

IUPAC Name: Azetidine-2-carboxylic acid 
Molecular Weight: 101.10388 g/mol
Molecular Formula: C₄H₇NO₂ 
Density: 1.275 g/cm³
Melting Point: 200-202 °C
Boiling Point: 242 °C at 760 mmHg
Flash Point: 100.1 °C
Index of Refraction: 1.499
Molar Refractivity: 23.29 cm³
Molar Volume: 79.2 cm³
Surface Tension: 48.2 dyne/cm  
Enthalpy of Vaporization: 52.75 kJ/mol 
Vapour Pressure: 0.0116 mmHg at 25 °C
XLogP3: -2.9
H-Bond Donor: 2
H-Bond Acceptor: 3
Rotatable Bond Count: 1
Exact Mass: 101.047678
MonoIsotopic Mass: 101.047678
Topological Polar Surface Area: 49.3
Heavy Atom Count: 7
Canonical SMILES: C1CNC1C(=O)O
InChI: InChI=1S/C4H7NO2/c6-4(7)3-1-2-5-3/h3,5H,1-2H2,(H,6,7)
InChIKey: IADUEWIQBXOCDZ-UHFFFAOYSA-N
EINECS: 219-740-2
Product Categories: Amino Acids 13C, 2H, 15N;Amino Acids & Derivatives

 DL-Azetidine-2-carboxylic acid (CAS NO.20063-89-2) is a useful intermediate in the synthesis of polypeptides.

 DL-Azetidine-2-carboxylic acid (CAS NO.20063-89-2) is also named as 2-Azetidinecarboxylic Acid ; Azetidinecarboxylic acid ; (+-)-2-Azetidinecarboxylic acid ; Azetidine-2-carboxylic acid ; DL-2-Azetidinecarboxylic acid ; 2517-04-6 .  DL-Azetidine-2-carboxylic acid (CAS NO.20063-89-2) is white crystalline solid. It is a four-membered ring analog of L-Proline.