Ethion Back Catalog number: 2780.9-100-AN Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 19494 EPA Method 524 & 624 - Internal Standard Price on request 2944.14-100-IO Ethyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Unlabelled 3688-18-4 Price on request 676795 4-n-Octylphenol-mono-ethoxylate, 1 µg/ml, Acetone Price on request