Metolachlor-2-ethoxy 100ng/µL in Acetonitrile. 1ml

o-Xylene, 100µg/mL in MeOH, 1ml

Dimethyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 93951-89-4

D-(+)-Gluconic acid delta-lactone, 500mg