WS Paraquat & Diquat Back Catalog number: 38131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3620.12-K-IO 3,3'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1800-48-2 Price on request 12069.12-250MG Sulfamethazine,neat,neat,250mg, Price on request 38200 RCRA Low Level PAHs Price on request