S-Metolachlor, 100 µg/ml, Acetone, 1ml

Ethanol standard in serum,0.5g/L,serum, 1.5mL

Simetryn, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1014-70-6

C4-C16 Even, Methyl Esters Standard