1-Chloro-1,1-difluoroethane, 20mg/mL in MeOH, 1ml

1-Ethenylpyrrolidin-2-one (1-Vinylpyrrolidin-2-one), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 88-12-0

Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

Ethanol standard in serum,2.0g/L,serum, 1.5mL