Methyl octadecanoate C18:0, 10mg/ml in Hexane, 1ml

2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Chrysene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5

Propoxur-d3 (N-methyl-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219798-56-7