Fenbutatin oxide, 100 µg/ml, Methanol, 1ml

Perfluorohexane sulfonic acid, potassium salt,neat,neat,100mg,

Chrysene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5

D5-Propachlor ESA sodium salt, 1mg