2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL in MeOH, 1ml Back Catalog number: A15989010ME-50 Availability: In the manufacturer's stock Price on request - + Recommended 2716.12-K-IO m-Fluorophenyldisulfide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 63930-17-6 Price on request 50765 5.% Ammonium hydroxide Price on request 82493 EPA Method 1666Labeled Standard Price on request