Metazachlor, 100 µg/ml, Acetonitrile, 5ml

n-Tridecane, ?13C: -33.47, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-50-5

N-Nitropiperazine-2,2,3,3,5,5,6,6-d8, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.

1,2,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane