Isoxaben, 100 µg/ml, Acetonitrile, 5ml

Dibenzo[a,e]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 192-65-4

Celecoxib,neat,neat,10mg,

Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE