2',3,4,4',5-Pentachlorobiphenyl (123)

4-Nitrosopiperazin-2-one, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 18907-82-9

Caffeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-08-2

Carboxin, 100µg/ml in Acetonitrile, 5ml