Monoethyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml

D4-Imidacloprid, 100 µg/ml, Acetone, 1ml

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-77-7

2,2',5,5'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35693-99-3