Nitrite (NO2-) as N Back Catalog number: 50215 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0404.25-150-CYX5 n-Pentacosane, ?13C: -28.21, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-99-2 Price on request 8834.7-K-IO 2-Ethyl-5-methyl- and 2-ethyl-6-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 681669 Benzo[k]fluoranthene, 10.0 µg/ml, Acetonitrile, Price on request