Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 45022 EPA Method 601 - Purgeables Mix #2 Price on request 73560 Isocarbophos Price on request 57106 Carbon (C) Price on request