Nitrite (NO2-) as N Back Catalog number: 50287 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2778.10-100 Heptachlor-exo-epoxide (cis-), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 28044-83-9 Price on request 12191.15-25-2AN Nivalenol CRM,25 µg/mL,acetonitrile,2mL, Price on request 9907.2-100MG N-Nitro-1,3-oxazolidin-2-one, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request