Nitrite (NO2-) as N Back Catalog number: 54559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2126.12-100-IO Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9 Price on request 1669.13-100-IO 1,2-Dichlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 701920-72-1 Price on request 70902 3,4,5-Trimethylheptane Price on request