Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile,

Pesticides - Mix 12, 10µg/ml in Acetonitrile, 10ml

2,9-Dinitroanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 234076-75-6

Purified asfalthenes from North Sea Oil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.