Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 53011 Calibration Standard Mix 2 Price on request S-4230-ASS-T Aromatic Petroleum Pollutant IS-Mixtures 3 Analytes each concentration as listed in toluene; units: 1x1mL, 5x1mL 1313.10 1-Fluoronaphthalene [321-38-0] 400 µg/mL 1316.14 3-Fluorophenanthrene [440-40-4] 200 µg/mL Price on request 2543.20-100MG Amitriptyline hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 549-18-8 Price on request