Fenpyroximate, 100 µg/ml, Acetonitrile, 5ml

1,2,8,9-Tetrachloro(13C12)dibenzo-p-dioxin, 1.2mL x 50ug/mL, toluene

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 205529-77-7

Iodofenphos, 100 µg/ml, Ethyl acetate, 5ml