Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 8466.3-100-CY Ethylenethiourea Price on request 51056 ASTM D-5441MTBE Contaminant Low Conc Price on request 0908.15-500-IO 1,7-Dimethylfluorene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 442-66-0 Price on request