TFA; Trifluoroacetic acid, 99,9%, 250g Back Catalog number: 2121-3-02:250G Availability: In the manufacturer's stock Price on request - + Recommended 91397 EPA Method 8141 / 1618 Pesticide Mix A Price on request 11077.11-10MG 1-Propylindol,neat,neat,10mg, Price on request 15900-4939D-100AN 1,2,4-Triazole-d3, 100µg/ml in Acetonitrile, 5ml Price on request