Dow FR-250, 35 µg/mL in Isooctane, 1ml Back Catalog number: B-250S-0.35X Availability: In the manufacturer's stock Price on request - + Recommended 3231.20-K-IO 11-cis,14-cis-Eicosadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5598-38-9 Price on request EPA-1633STK EPA Method 1633 Native PFAS Stock Solution/Mixture, in MeOH, 1,2ml Price on request DF-IS-D200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request