<unk> , or in lab jargon "CAN", is the chemical compound with the formula (NH4)2Ce(NO3)6.  This orange-red, water-soluble salt is widely used as an oxidising agent in organic synthesis.  This compound is used as a standard oxidant in quantitative analysis,
Ceric ammonium nitrate
Calcium fluoride
Amyl nitrite
Aluminium chloride
Sodium monofluorophosphate
Stannous fluoride
Methyl isocyanate
Silver nitrate