Phosmet, 10.0 µg/ml, Acetonitrile, 10ml

Theophylline, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 58-55-9

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

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