Complete Set Of GC/MS Calibration Mixes

3,4,5-Trimethylheptane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20278-89-1

4-Chloro-3-methylphenol

DL-Propranolol hydrochloride, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 318-98-9