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

Metoprolol tartrate, 100 µg/ml, Methanol, 1ml

3-Ethyl-2-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

o-Xylene