Caffeine

5'-Fluoro-2,3,3',4,4',5-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

n-Butyl n-pentyl phthalate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3461-29-8

Metazachlor OA, 100µg/ml in Acetonitrile, 1ml