Metoprolol (free base),neat,neat,50mg,

n-Hexyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1083-27-8

EPA Method 602 Purgeable Aromatics

Bisphenol A-d16, 100µg/ml in Acetonitrile, 5ml