Stearic acid, 250mg

Atrazine 13C3, 100μg/mL in Acetone, 1ml

4-Methylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 589-53-7

Pirimiphos-methyl, certified, 0.25g