Nitrite (NO2-) as N, 100µg/ml in Water, 100ml

Perfluoro-n-[1,2-13C2]octanoic acid, 50µg/ml in MeOH, 1,2ml

rac-(1R,2R,5R,6R)-1,2,5,6-Tetrabromocyclooctane, 1.2ml x 50ug/ml , toluene

2’,4-Bis(aminophenyl)methane, 250mg