Metolachlor OA, 100µg/ml in MeOH, 1ml

Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 50µg/ml in MeOH, 1,2ml

1-Ethyl-4-(2-methylpropyl)benzene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100319-40-2

11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL,