Diquat Back Catalog number: 97910 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56332 EPA Method 200.8 Internal Standard Price on request 8674.14 Ofurace, , Solvent-, Unit , # of units-, Cas.no. 58810-48-3 Price on request 0444.15-500-IO 4H-Cyclopenta[def]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203-64-5 Price on request