QC Check Sample Back Catalog number: 59250 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2831.9-50-ME 2H,2H,3H,3H-Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27854-30-4 Price on request 675764 Iodofenphos, 100 µg/ml, Ethyl acetate, 5ml Price on request 1212.17-200-IO 9-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117043-89-7 Price on request