All-rac-alpha-tocopherol for peak ident., 50mg

Rubrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 517-51-1

Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,

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