2,4,5-Trichlorophenol, certified, 0.1g

Perfluorononanoic acid

2,4,4-Trimethyl-2-pentene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 107-40-4

Methamidophos, 100 µg/ml, Toluene, 1ml