Crude Oil Standard n-Hydrocarbons C5-C9

4,4'-Difluorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 457-68-1

2,2',3,4,4',5,5',6-Octachlorobiphenyl,100 µg/mL,isooctane,1mL,

Metoprolol, 1000µg/ml in MeOH, 1ml