Nitrite as NO2- Back Catalog number: 50738 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11989.20-K-ME 2-(1-Hydroxypropyl)promazine,1000 µg/mL,MeOH,1mL, Price on request 3354.10-100 2,4-DB, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 94-82-6 Price on request 63034 2’,3,5-Trichlorobiphenyl Price on request