Pyrrolidin-2-one Formula: C4H7NO CAS#: 616-45-5 MW: 85.1 [MS]  [ NMR ]  [ Kovats ]  [ Synthesis ]  [Chemdraw]	Dots surface:
Species utilize Pyrrolidin-2-one in its chemical communication system Hymenoptera, Formicidae, Myrmicinae, Crematogastrini   Crematogaster sjostedti      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦