Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 2348.9-K-IPX5 4-n-Propylphenol-d12, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 352431-21-1 Price on request 92380 EPA Method 525.1 Analytes Mix #2 Price on request PN-5S 1,4-Dichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request