Natural alkyl pyrazines,1000 µg/mL,isooctane,1mL,

Alachlor ESA-d13 Sodium Salt, 0,5mg

n-Nonadecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 629-92-5

Ethanol standard in serum,1.5g/L,serum, 3mL