Demeton O Back Catalog number: 9439.8-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended EPA-8290HRCC0.25 Supplemental Calibration Solution, 500ul, nonane Price on request 8221.7-100-AN Mevinphos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 7786-34-7 Price on request 52050 Interference Standard 3 Price on request