PCB No. 157, 10µg/ml in Isooctane, 10ml

Tetrabromophthalic anhydride, 1.2ml x 50ug/ml, toluene

n-Propyl 4-hydroxybenzoate-2,3,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219802-67-1

1,2,3,7,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene