Michler's ketone

(2R)-?-Tocopherol-d6 (5,7-di(methyl-d3)),1000 µg/mL,MeOH,1mL

2,2',3,4,4',5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-28-2

Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL,