5H-Perfluoropentanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-72-7

Purified asfalthenes from North Sea Oil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.

N-Nitrosomethylethylamine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 10595-95-6

Acetylsalicylic acid-d3 (methyl-d3),100 µg/mL,MeOH,1mL,