Pentachloronitrobenzene

Carminic acid (E120), certified, 0.1g

5,7-Dimethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21693-54-9

Diphenylamine, 100 µg/ml, Acetonitrile, 1ml