C4H4N2

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pyrazine \Pyr"a*zine\, n. Also -zin \-zin\ . [Pyridine + Gr. ?
     not + ? life.] (Org. Chem.)
     A feebly basic solid, {C4H4N2}, obtained by distilling
     piperazine with zinc dust, and in other ways. Also, by
     extension, any of various derivatives of the same.
     [Webster 1913 Suppl.]