EPA Method 1666 Standard #1 Back Catalog number: 82449 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2922.10-100-IO 2-(4-Chloro-2-methylphenoxy-d3)propionic acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-15-3 Price on request I815500 Iso E Super, 50g Price on request 685300 Clethodim-sulfoxide, 100 µg/ml, Acetonitrile, 1m Price on request