25-Hydroxyvitamin D2-d6, 50µg/ml in MeOH, 1ml

Tetradifon, 100 µg/ml, Ethyl acetate, 5ml

Benzo(k)fluoranthene

1,2,4-Triethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 877-44-1