Dichlofenthion, 100 µg/ml, Toluene, 1ml

Caffeine-d3 (1-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 26351-03-1

Imidacloprid olefin, 100 µg/ml, Acetonitrile, 1m

PCB - Mix 8, 10µg/ml in Cyclohexane, 5ml