2,2’,3,5,6,6’-Hexachlorobiphenyl

Dinaphtho[2,1,8,7-defg;2',1',8',7'-ijkl]pentaphene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 188-90-9

Benzo[a]pyrene-d12, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 63466-71-7

Isoxaflutole Metabolite RPA 203328, 50mg