Nitrite (NO2-) as N Back Catalog number: 50627 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675179 Carbetamide, 100 µg/ml, Acetonitrile, 1ml Price on request 673060 Chlorhexidine diacetate, 250mg Price on request 679178 5-Chloro-1-methyl-4-nitroimidazole, 100mg Price on request