Propylparaben-d4, 1mg

Microcystin LR, 10µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 101043-37-2

Paraxanthine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 611-59-6

2-Methylchrysene, 10µg/mL in Acetonitrile, 10ml