Ethyl stearate-d5,1000 µg/mL,acetonitrile,1mL

g-HCH(Lindane) (13C6,99%)100µg/mL in Nonane, 1,2ml

Metformin hydrochloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1115-70-4

Benzene, 100 µg/ml, Methanol, 5ml