Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 679907 Chlorotoluron-desmethyl, 100 µg/ml, Acetone, 1ml Price on request MFHEA 2-Perfluorohexyl (13C2)ethanoic acid (13C2-6:2 FTCA), 50µg/ml in Isopropanol, 1,2ml Price on request 681420 N4-Acetylsulfamethoxazole, 25mg Price on request