2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl

o-Aminoazotoluene,100 µg/mL,acetonitrile,1mL,

Estrone-2,4,16,16-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53866-34-5

Metazachlor, 10 µg/ml, Cyclohexane, 10ml