d,l-Methadone-D3.HCl

12-cis,15-cis-Heneicosadienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 191545-08-1

6-Nitrobenzo[a]pyrene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 352431-12-0

Methidathion, 100 µg/ml, Acetonitrile, 5ml