4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g

Phenanthrene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1517-22-2

Benzo(k)fluoranthene

Pendimethalin, 10μg/mL in Acetonitrile, 10ml