Spermine-d20, 1mg

Calibration Kit for WHO (Dioxin-like) PCBs; EN 1948-4:2010, 6 x 500ul, nonane

1,4-Chrysenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 100900-16-1

Propachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1918-16-7