Metamizol-sodium, 100µg/ml in Acetonitrile, 5ml

n-Hentetracontane, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 7194-87-8

Aroclor 1232 & Tetrachloro-m-xylene

9-Nitrophenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 954-46-1