Tadalafil, certified, 0.1g

Volatiles Mix D1, 200µg/ml in MeOH, 1ml

Perfluorohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-24-4

PCB No. 154, 100µg/ml in Isooctane, 1ml