Metals calibration standard

1,2,3,5-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane

Desphenyl chloridazon-15N2, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

1,2-Dibromo-4-(1,2-dibromomethyl)cyclohexane,50 µg/mL,MeOH,1mL,