Internal Standard Solution, 1.2ml, nonane

Cholest-4-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16732-86-8

3-Bromotoluene, 1000mg

S-Metolachlor Metabolite CGA 50267, 100 µg/ml, Ac