Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

Cefoxitin sodium salt, 250mg

Pentaphene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 222-93-5

1H,1H,2H,2H-Perfluoro-7-methyloctan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 20015-46-7