N-Nitrosopiperidine, certified, 25mg

2-n-Propyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-30-1

Dechlorane 602, 5mg

Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane