Dow FR-250, 100µg/ml in Isooctane, 1ml Back Catalog number: B-250S Availability: In the manufacturer's stock Price on request - + Recommended 18000-0642-100AN5 Iopamidol, 100µg/ml in Acetonitrile, 5ml Price on request 680443 beta-HCH, 100 µg/ml, Methanol, 1ml Price on request 1038.18-200-T 4,5-Dimethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15679-25-1 Price on request