1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Sterigmatocystine, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 10048-13-2

Pyrazophos, 100 µg/ml, Toluene, 1ml

2,7-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 582-16-1