Methyl viologen-d8 dichloride (rings-d8) Back Catalog number: 2959.12-100-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 38135 CWA Organophosphorous Pesticides Price on request 9191.8-100-ME Caffeine-d3 (1-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 26351-03-1 Price on request 1581.2-100-ME Dicyanodiamide (Cyanoguanidine), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 461-58-5 Price on request