Bromophos-methyl, 100 µg/ml, Toluene, 1ml

Method 1614 Native PAR Stock Solution, in Nonane, 1,2ml

alpha alpha alpha (20S)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 41083-75-4

Ethanol standard in serum,1.0g/L,serum, 3mL