beta-BHC, 1000µg/ml in Acetone, 1ml

Erythromycin C,neat,neat,10mg,

O-Desmethyl tramadol-d6 (racemic) , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 16412-54-7

3,3',5,5'-Tetrabromobisphenol A bis(2-hydroxyethyl) ether bisacrylate,50 µg/mL,toluene,1mL Certan,