Perfluoro-n-nonanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFNA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 682712 Methyl butyrate, 1000mg Price on request 683853 Sulfosulfuron, 100 µg/ml, Acetonitrile, 5ml Price on request 677039 2-Thiouracil, 250mg Price on request