2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Metribuzin-desamino-diketo, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 52236-30-3

Sodium 1H,1H,2H,2H-perfluorodecane sulfonate (8:2), 50µg/ml in MeOH, 1,2ml

Cyanocobalamin