Benzo(a)pyrene, 100µg/ml in Acetonitrile, 1ml

Metoprolol-d7 hydrochloride (isopropyl-d7), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219798-61-4

1,2,3,4,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Sodium (Na)