Nitrate & Nitrite as N Back Catalog number: 54162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3494.11-100 Propoxur, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 114-26-1 Price on request 11410.17-K-ME Norhydrocodone hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 2065.6-K-IP 2,5-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 583-78-8 Price on request