Metformin-d6-HCl, 100µg/ml in Acetonitrile, 1ml

2,3,7,8-Tetrachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

Tetracosanoic acid (Lignoceric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 557-59-5

Phenyltri-n-pentyltin,1000 µg/mL,isooctane,1mL,