Ofloxacin, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A15717000AL-100 Availability: In the manufacturer's stock Price on request - + Recommended S-4037-5K-IOX5 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request EPA-1668LCS Labelled Compound Stock Solution, 1.2ml, nonane Price on request 54234 Selenium (VI) Selenate, 1000µg/ml in Water, 100ml Price on request