CW Herbicides Back Catalog number: 96637 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 677972 Chlorpyrifos-methyl, 100 µg/ml, Toluene, 1ml Price on request 678535 4-Chlorophenoxyacetic acid, 100 µg/ml, Acetonitri Price on request