Tri-p-cresyl phosphate, 100 µg/ml, Methanol, 5ml

iso-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219805-33-0

Propaquizafop, 10 µg/ml, Ethyl acetate, 10ml

[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene