Nonadecanoic acid-methyl ester, certified, 0.25g

4-Fluoro-o-xylene, neat, Solvent-neat, Unit 0,5mL, # of units-1, Cas.no. 452-64-2

Methoxychlor, 10.0 µg/ml, Isooctane, 10ml

Endothall-3,4,4,5,5,6-d6 hydrate (93% D),100 µg/mL (as water-free acid),MeOH,1mL,