CAS No. 251-50-3 1,3,4,6-Tetraazapentalene 1,3,4,6-Tetraazapentalene Catalog No.: 589615 Name: 1,3,4,6-Tetraazapentalene CAS: 251-50-3 Formula: C4H2N4 Filed under: Tetraaza Inquire about this product → | Safety data