1,1-Cyclohexanediacetic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4355-11-7

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Methyl octadecadienoate (9,11 + 10,12 c+tr) , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg