Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFTRDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 79508 Chlorpyrifos Price on request P287595-50MG Perfluorobutylphosphonic Acid, 50mg Price on request 675382 AMPA, 100 µg/ml, Water, 5ml Price on request