2-azetidinone

2-Azetidinone

Names
IUPAC name 2-Azetidinone
Other names β-Propiolactam; Azetidin-2-one; 2-Azacyclobutanone
Identifiers
CAS Number	930-21-2
3D model (Jmol)	Interactive image
ChemSpider	120480
ECHA InfoCard	100.156.473
PubChem	136721
InChI InChI=1S/C3H5NO/c5-3-1-2-4-3/h1-2H2,(H,4,5) Key: MNFORVFSTILPAW-UHFFFAOYSA-N
SMILES C1CNC1=O
Properties
Chemical formula	C3H5NO
Molar mass	71.08 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

2-Azetidinone is a chemical compound with the molecular formula C₃H₅NO. It is the simplest β-lactam and it forms the central core structure of the β-lactam antibiotics and certain cholesterol medications.