(±)-Betaxolol-d7 hydrochloride (N-iso-propyl-d7)

rac 3,4-Dihydroxymandelic Acid, 500mg

Dialy Quality Control Standard (without Internal Standard) 2 Analytes, each Vol.% as listed in isooctane; units: 1x10mL, 5x10mL. Name Vol.% Benzene 0.67 Toluene 5.0 Isooctane 94.33

Cholanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 479-23-2