Pyroxsulam, certified, 0.1g

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Butachlor-OA, 100µg/ml in Acetonitrile, 1ml

Trifluoroacetic anhydride, neat, Solvent-neat, Unit 1mL, # of units-10, Cas.no. 407-25-0