4-tert-Octylphenol-mono-ethoxylate, 10.0 µg/ml, A

Metoprolol Tartrate, >98%, 5g

5'-Fluoro-2,3,3',4,4'-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Semi-Volatile Surrogate Standard