Parathion-methyl, 100µg/mL in Acetonitrile, 1ml

Base/Neutrals Surrogate Standard

5 alpha(H),17 alpha(H),(20R)-3ß-Acetoxycholest-8(14)-ene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6562-21-6

Diquat-d8 Dibromide (dipyridine-d8), 10mg